... It’s easy to find out by using our SEER Savings Calculator. The energy E in kilowatt-hours (kWh) per day is equal to the power P in watts (W) times number of usage hours per day t divided by 1000 watts per kilowatt: E (kWh/day) = P (W) × t (h/day) / 1000 (W/kW). For example, 8 feet and 6 inches would be typed 8.6, or 13 feet and 11 inches would just be typed as 14 feet. When choosing an air conditioner, the contractor should guide you towards the best investment in a 10-15-year period for non-ducted systems, and a 15-20-year period for ducted systems. The cost difference (materials only) between average and high efficiency ductless heat pumps is around $300/zone. This flexibility allows you to cover even large homes, and only run cold or hot air where you need it (compared to central AC, which typically has only one zone – the whole house). In addition, using concealed duct/slim duct air handlers, you can have “single zone” service in several small rooms, by running short ducts from a “central” point to adjacent small rooms, such as bathroom + hallway + laundry room, etc. Heating and cooling individual rooms in your home DIY Mini-Split Systems. Enter the ton/BTU of AC, daily operating hours and cost per unit. At $0.24/KWh (prices in MA for Eversource customers, or exactly how much I’m paying in 2018) that is $8.64 per day or $259 per month. Third, you select the capacity of the equipment you wish to compare. It really makes sense to convert your HVAC system for Ductless Mini-Split, whether your main objective is Heating, Cooling or both! Energy Savings Calculator Multi-Split Selector Product Registration Sale Home; Energy Savings Calculator Energy Savings Calculator Cooling Savings. So to make it simple we have two options for efficiency setting: Average and High. Others are all 2nd tier OR private labels (for example Lenox sells re-branded GREE systems under their own name). Cooling Savings. For the best experience on our site, be sure to turn on Javascript in your browser. If you have 6″ or more of fiberglass wall insulation, or spray foam insulation in walls, and over 30-R of insulation in the attic/roof, high(er) end windows / doors, nearly no air leaks, select GOOD/EXCELLENT INSULATION. The ENERGY STAR ® logo is assigned to products that meet strict energy efficiency guidelines set by the U.S. Environmental Protection Agency. This results in a much higher cost to the customer. Heat Pump technology is what makes mini splits so energy efficient, as well as enables them to run in heating mode. Looking at costs & emissions. Choosing the right size air conditioner is very important to achieve the right efficiency. To get a more accurate measurement of system’s size / BTUs needed to heat/cool your space, it’s ideal for your HVAC contractor to do a Load Calculation using Manual J method. Savings are based on a 48K BTU flex-zone Mini-split (17 SEER/9.8 HSPF), compared to a Central AC + Gas Furnace (8.5 SEER / 0.78 efficiency), for a 1600 sq. Upfront Cost for Mini-Splits. To get the most accurate quote, carefully enter the value of each field in the calculator. Since this is against the natural direction the energy wants to flow, we have to put energy in (in this case, electrical energy), to do what we want. Step 3) Heating + Cooling vs. Both upfront, and in future energy costs, as larger systems use more energy to run at low loads. Domestic hot water Heat Pump is the ideal combination of heat pump technology and a high performance water storage tank to achieve 3 times less electricity than traditional water heaters. The budget available for the new equipment is $5,000 dollars. Most indoor units are “insanely quiet”, running as low as 21-23 dB(decibels), compared to up-to 60 dB for a window AC. Mini and Multi-Split Heat Pump Savings Calculator Is a heat pump right for your home? You will get calculated load for heating & cooling, as well as 3 price estimates – low, mid range and high end. Ductless systems are ALL capable of running in Air Conditioning mode. The higher the EER rating, the more efficient the air conditioner. For example, prices in New England (MA, CT, RI, NH & VT) or on the West Coast (Pacific Region – WA, OR, CA) will be about 25-29% higher than those in the South Central regions (Texas, Louisiana / Alabama / Arkansas, Mississippi, etc). In other words, the higher the SEER, the less electricity the system needs to work, therefore providing more savings to your pocket. Cost to Install a Ductless Mini-Split System - 2021 Prices - Inch … So, if your new equipment lasts for 15 years, after the 5th year you will be saving an estimate of $10,147 in energy in period of 15 years. This calculator allows you to evaluate the possible energy and cost savings from use of a mini-split (ductless) heat pump in an Alaskan home or small building. With a mini-split, the efficiency rating tells you how well the unit converts electricity into cooling. The outdoor compressor delivers the compressed refrigerant to them, which depending on the mode of operation, will produce hot or cold air. February 24, 2020. So far I’m extremely happy with it: If you have an older home with uninsulated walls / attic, single pane or double pane windows, air leaks, cold air drafts, etc, select POOR INSULATION. You can also leave it at default US-average setting. The cold/hot “freon” or R410A refrigerant is pumped from an outdoor compressor to the ultra quiet and efficient indoor unit, eliminating a central air-handler in your basement, and having to then push that air along the ducts. You can get a very precise estimate for the cost of installing ductless air conditioning. Both Fujitsu and Mitsubishi have Extreme Low Temperature “HIGH HEAT” models, that can operate in temps as low as -15F and -13F respectively (xltH and H2i product lines). These large systems are very hard to estimate, given that there are too many unknowns. Efficiency Calculator: Air Conditioner and Heat Pump - RESIDENTIAL - FUJITSU GENERAL United States & Canada Products Efficiency Calculator The amount you save on your utility bills depends on a variety of conditions – most importantly how efficient the system you select is and what type of system you currently have, as well as geographic location, current cost of energy, and home construction. The energy savings would be tremendous, as even in a 10 room home, you cannot have a typical 4-person family occupy every room in the house all at once. A strictly AC mini-split is NOT a heat pump! Most modern ductless heating systems are based on a “heat-pump” technology, which extracts heat or cold from the outside air. You would first need to select the region in which you live in, then you need to input the value of the energy you pay, this value is in cents/kWh. If the area contains many electrical appliances, windows, or non-insulated areas, your sizing may need to increase above the recommended square footage. Subscribe to the PowerSave AC mailing list to receive updates on new arrivals, offers and other discount information. There are literally 100s if not 1000s of different mini split systems from over 30 manufacturers around the globe. It provides excellent energy efficiency, compared to central AC and even gas-fired furnace. For the best experience on our site, be sure to turn on Javascript in your browser. Extra electric work is the most expensive part of using two single zone systems vs. one multi-zone unit. This will show you the savings in 5, 10, and 15-year periods. Daikin is also considered to be very reliable (as it’s a Japanese brand, just like Fujitsu / Mitsubishi), but does not have super efficient units, making out at 26.1 SEER for just one product line. Probably more like “1.5 tier”, since they are one of the largest manufacturers of ductless mini-splits in the world! NOTE 2: based on many factors, such as energy efficiency, cost (less expensive than Mitsubishi), reliability/warranty, HIGH-HEAT operation, and extremely high heating BTU rating (30% higher than a comparable Mitsubishi unit), I chose a FUJITSU 9RLS3HY (9K BTU single zone) for my own home, and have installed it (mostly myself) in Dec. 2017. A number of 12,000 BTU window A/C units had EERs around 11. Step 7) House insulation For instance, you may only want to air condition the baby’s room, or maybe the main living area where you do most of your entertaining. ft. space with rather poor to medium insulation level, in Boston, MA area (average winter temperature is 22F degrees), and costs $800-900 less in materials! The 12,000 BTU Mitsubishi Mini-Split … Cooling: Ductless air systems are extremely efficient in the cooling mode, compared to central AC – in part because of a more advanced Heat-Pump Inverter technology, which produces more cold air using less energy. However, a system that has over 4-5+ zones becomes extremely complex. Please research the appropriate unit size for your area before purchasing. Material cost difference is insignificant when comparing two 9K BTU systems vs one 2-zone 18K BTU system, while SEER ratings would be 33 vs 21.5 SEER respectively (comparing Fujitsu 9RLS3HY single zone vs 18RLXFZH two-zone HIGH HEAT systems). Not a single contractor/estimator preformed any type of load calculation, or even measured the space and asked me about insulation! System load will also depend on your REGION, foundation type, number of windows, ceiling height, sun exposure, and many other factors that are outside the scope of this calculator. Or perhaps your own bedroom, for those humid nights. I’ve not seen any 2nd tier ductless heat pumps that will provide heating at below -5F. At the same time, the 12K (1 Ton) system is more than capable of heating a 600 sq. My 9K BTU Fujitsu heat pump heats a 600 sq. To help you, we've created this quick and easy sizing Some equipment can even save you money during the first year. In addition, Daikin does not have HIGH HEAT units, and will only run in low temps up-to -4F. However, 2nd tier brands typically cost 50% less than 1st tier. Users can also connect their solar energy to achieve the highest levels of energy efficiency and substantial savings. Heating Only (Primary System Usage). Remember, no matter how you heat your home, it’s important to ensure your insulation meets today’s standards. Optionally, if you have a price for a 4 zone installation, and need one or two more zones, just add about $3,000-3,200 per zone (assuming a wall-mounted or floor mounted air handler). A typical household will save as much as $1025/year*** or more! Bottom line: the best (in efficiency, quality, reliability) ductless systems come from Japan, followed by Korean manufacturers. These elements impact on the air conditioner’s efficiency. Thus, we highly recommend a ductless heat pump vs. AC only model, even if you live at the equator, where you never need heating! Step 5) System efficiency Most of them do work pretty well, and will often work without any repairs for at least 10 years. You can hire the most expensive HVAC contractor, and get a poor installation, or get the cheapest guy and never have any problems. However they are nowhere near the quality and efficiency of Fujitsu or Mitsubishi. While this covers their “behind”, it ends up costing a homeowner $1,000-3,000 more in upfront installation expenses, as well as $200-500 extra in energy costs each year, due to lower efficiency of larger systems, as well as higher minimum BTUs, at which these systems operate. Remodeling Cost Calculator - Mini Split Heat Pump Costs | … In addition, many HVAC contractors/salesmen don’t want to spend the time to analyze and accurately calculate the system load, and chose an easier route of over-specifying tonnage. | Eric's Blog The larger the differential, the more work has to be done. That is NOTE: If you select “Cooling Only”, the “Efficiency” option will disappear, since AC only models are all LOW efficiency. Energy cost calculation It is also much easier to create individual zones, instead of having to cool/heat your whole house, when you only need comfort in just one room. Same house in Los Angeles CA, would yield a 56% savings ($1,567.97/year) using a much cheaper 30K BTU Mini split (assuming a $0.21/KWh electric cost). Split AC Systems are ideal for: Think of it this way: The refrigerant is COLDER than outside air – therefore the temperature difference between “freon” and outside air is the energy that heat pump captures, and then transfers it into your home. Above's suggestion of square footage is based on ideal situations where minimal heat is transferred. Don’t let your remodeling budget go over-board by hidden surprises – understand what the average installed costs for Mini Split Air Conditioning Systems is in your zip code by using our handy calculator. You can have a ductless air system providing heating and cooling throughout your whole house, with up-to 8 zones, using conventional residential models. SEER 10 electricity cost: (2,400,000 kWh x 13,19 cents)/1000 = $316,56/year; SEER 20 electricity cost: (1,200,000 kWh x 13,19 cents)/1000 = $158,28/year; In short, you can save about $150 per year even with a medium-sized 10,000 BTU portable air conditioner. This number will be used to determine system size in BTUs/tons that is most appropriate for your needs. In this article, we will talk about the different types of ductless systems. However, if you consider that by adding an adequate size Solar PV system, you can completely cover the electricity needs of several mini splits, pay off both systems within 7-10 years in energy savings alone, and have free cooling/heating thereafter. Finally, press on Filter Results. If you are unsure what each field means, or how to use it, see the detailed explanation below.Once you fill out all fields that correspond to your specifications, click “calculate”. It takes more energy to cool a room to 70 degrees on a 100 degree day than it does on an 80 degree day, for example. If you’re unsure, we can help you with insulation upgrades as well. Choose your region to get more locally-relevant prices, reflective of the cost of living, wages and material prices in your state. The "Energy Savings Calculator" tool we have developed for your use will help identify the most cost-effective option for your home. It is based on actual usage statistics for heating in extremely cold conditions, as well as cooling when its very hot. While there are many multi-zone ductless systems, as you increase capacity (BTU rating/tonnage), overall system efficiency goes down significantly, for both heating and cooling! If there is additional electric wiring/circuit breaker available for 2nd compressor, add a 15-20A ~240V circuit breaker and run a 240V single phase (typically) 2 prong cable with ground, to the location of 2nd compressor. The results show that you will save approximately $5,810 on your energy bill on the first 5 years, therefore making the investment totally worthwhile. Energy cost calculation Energy consumption calculation. Fujitsu and Mitsubishi have the most efficient mini-splits in the world, with lower BTU models having as much as 33 SEER ratings. This calculator will help you determine how much you could save by upgrading to a heat pump. NOTE: Mitsubishi multi-zone systems with more than 2 indoor units (3+ zones) require branch boxes, which make them extremely complicated to set up, troubleshoot and repair. Indoor units, also called “air handlers”, of a mini-split are the ones that actually deliver cold/hot air to your rooms. There are also Panasonic & Samsung which sell some products in the US, but do not have a big presence in the local HVAC space. However, some installers say that LG may not be as reliable as Fujitsu/Mitsubishi, and if there are problems, you may have issues obtaining parts. An efficient mini-split heat pump can produce a lot of heat relatively cheaply, in temps as low as -15F or lower (Fujitsu single zone 9-15K BTU models of the RLS3HY series, which is what I have in my home). Single Zone Mini-Split Systems. They can also be a good choice for room additions and small apartments, where extending or installing distribution ductwork (for a central … That 1500W space heater can barely handle a 200 sq. To get the most accurate quote, carefully enter the value of each field in the calculator. There are over 20 different manufacturers of ductless mini-splits and a multitude of private labels. To compensate for their laziness or lack of knowledge, many will grossly oversize system load. However, in the US / Canada, as well as many other countries, the clear market leaders are Mitsubishi, Fujitsu, Daikin, LG and to a lesser degree GREE. LG also has a HIGH HEAT line (LG Red), that will operate in temps up-to -13F, but for cooling is rated at “only” 27.5 SEER. The "Energy Savings Calculator" tool we have developed for your use will help identify the most cost-effective option for your home. For inches 10 and 11 round up to the next foot. PRO TIP: If you feel like hiring an HVAC contractor is too expensive, you can install a ductless heat pump yourself! All measurements on this form should be in feet.For inches 1 through 9 just add that number as a decimal value of the measurement. Each zone can be individually controlled through a central thermostat, via remote control, or wirelessly, through a mobile app. If you are unsure what each field means, or how to use it, see the detailed explanation below. Daily, monthly, and yearly cost will be calculated. If you’re looking for 2021 breakdown for Cost of Mini Split Air Conditioning Systems materials and what installation cost might be, you’ve come to the right place. However the true advantage is in the fact that you eliminate the need for ducts, which can cause as much as 30% of energy loss – especially in unconditioned areas, such as attics and crawl spaces. This basically describes MY HOME! How efficient thinking adds up to big savings. In addition to lower energy efficiency of 2nd/3rd tier brands, quality, reliability, service and parts may and often will be a major problem, if your unit is not working. There is about $150-200 difference for a single zone, and up-to $750 difference for a multi-zone system. * So when looking for ways to cut your energy costs, be sure to think about a high-efficiency system. Heat pumps are only rivaled by high efficiency Gas-fired radiant/radiator systems, when it comes to heating energy efficiency / costs. "1 Another way of measuring efficiency is "SEER" which is known as the "Seasonal Energy Efficiency Ratio". Benefits of the HSPF Energy Calculator. IMPORTANT NOTE: While the majority of contractors, suppliers, and online sites will overestimate the tonnage (heating/cooling capacity), for many “self-benefiting” reasons, our calculator is very conservative in this regard. When looking at the price quotes, keep in mind that low end doesn’t mean bad quality. A ductless mini-split works much like a traditional heating and cooling system, minus the ductwork. It requires additional equipment, such as branch boxes, separation tubes, longer line-sets, condensate drainage, etc. ENERGY STAR Mini-Split Heat Pumps (Ductless) | EPA ENERGY … Visit us at: 3250 NW 107th Avenue, Doral, FL 33172 Call us at: (800) 919-0150 Step 8) Location / US region. Therefore, we limited our calculator to no more than 4 zones, which is a much more likely scenario for an average size home. Choose your HVAC installer wisely. ft. small room. Heating and cooling can account for more than half of your home’s total utility bill. Step 2) Number of Zones How Much Does It Cost to Run An Air Conditioner (Per Hour)? "An air conditioner's efficiency is measured by the energy efficiency ratio (EER). A ductless mini split can be used for both heating and cooling. I did a comparison of a Mitsubishi Mini-Split to a window air conditioner. LG LMU300HHV. Yes – they are 5 times more efficient, than electric heat, If you think about it – a 1500W space heater will consume 36 KWh of electricity in 24 hours. I did it and saved close to $2500, compared to hiring a pro. Thus, it falls outside the scope of a “typical” residential ductless mini split system. Once you fill out all fields that correspond to your specifications, click “calculate”. Costs of AC only vs Heat Pump / AC system are nearly the same. My preference is to hire a smaller, but well established, owner operated company, where the owner is also the installer. This means they can provide heating for your whole house, or just that one room where you don’t have ducts or radiators, etc. For COOLING-ONLY models, only low/average efficiency setting is available, as these are NOT heat pumps (they are regular air conditioners that use ductless installation method, where the compressor is separated form the air handler), and do not have more than 16-18 SEER. At the end, it all comes down to feeling comfortable with the room temperature according to the capacity as well as with the amount being paid in electric bills. Therefore, when you look at a $3,500-4,000 installation cost for a single zone system, $200 is minuscule, considering a significantly higher efficiency, ability to provide heating, and energy savings that will cover the difference in material costs within 1-2 years! Heating Only (Primary System Usage) While their intended use is primarily in residential applications, their complexity requires additional (costly) equipment, and makes installation cost higher than similar mini split systems from other brands. At the same time, a survey of 5 local HVAC contractors, showed that ALL will recommend at least 18K BTU system, and some even as much as 24K BTUs. If you have walls with 4″ 13-R fiberglass or blown-in cellulose/fiberglass insulation, as well as some attic/roof insulation, newer double pane windows, insulated doors, low air leaks/cold drafts, select AVERAGE INSULATION. Keep in mind that this is an approximate gauge of how much more BTUs you would need per square foot of your room/house, based on heat loss to insulation ratio. These two brands are also widely considered to be the most reliable. Select how many rooms or zones you want to have covered. Very few 2nd tier manufacturers will have a model that is specified to work up to -5F. You can get a very precise estimate for the cost of installing ductless air conditioning. Choosing which SEER is the best for your need, is the big question. Now you choose the old A/C you are planning to change which for the example will be 36,000 Btu A/C of SEER 10, and you are looking forward to installing a new 36,000 BTU multisplit system of SEER 21. Example: A Mitsubishi 18K BTU Hyper Heat system (Model MZ-FH18NAH) has a 21 SEER & 12.5 HSPF ratings and a MINIMUM of 6,450 BTUs in cooling mode (~ 1/3 the capacity) which means it will typically use AT LEAST 1/3 of potential max load, ad minimum operation. This calculator can accurately estimate the cost of a mini-split with up-to 4 zones, as well as different indoor unit types & efficiencies. Many contractors and suppliers overestimate the tonnage in order to sell you a larger, more expensive system, as well as to cover their “rear”, in very rare cases of extreme hot or cold outside temperatures. Fujitsu General Mini-splits have earned the "Most Efficient" rating by ENERGY STAR ® for being 2.35 times more efficient than the government minimum standard. Please note: This calculator is for estimation purposes only. Of course, budget is an important factor, so the higher the SEER, the more expensive the equipment will be.The "Energy Savings Calculator" tool shows you an approximation of how much money you can save when you compare two different efficiencies. Higher is better. After all, the purchase and installation of a unit have costs associated with them, and any savvy buyer wants to be sure that there are sufficient cost savings to justify installing a ductless mini-split heat pump. Air conditioner power consumption calculator is used to calculate the bill cost for any AC. In addition, this may affect your system size/load, if you plan to use it for heating and you live in the northern states. Ductless Mini-Split Categories. A … The U.S. Department of Energy estimates that mini-split air conditioners cost about 30 percent more than central systems based on cooling capacity. The energy cost savings will pay for your new air conditioner in a matter of a few years. Heating with a Mini-Split? Some also suggested a 2 zone system, which would cost $3,000 more!!! Energy Savings Calculator. Step 1) Area Square Footage Keep in mind though that such issues are fairly rare, and are based on reports from a few HVAC contractors who had such problems. When choosing an air conditioner, the contractor should guide you towards the best investment in a 10-15-year period for non … The wattage is estimated to be 600 watts, giving you an EER of 15. Most happy contractors/homeowners will typically not report that everything is GREAT. At times, your location will have a drastic effect on how much you will pay for your new ductless HVAC system. However, (and unfortunately) most pros either don’t want to spend 2 hours (per project) calculating system size OR do not know how to do a Manual J calculation (properly or at all). Despite having lower energy efficiency, Daikin prices their systems at or above the prices for better specs units from Mitsubishi and Fujitsu, which are considered the gold standard. Fuel Cost Heater: Electric - Wall or Baseboard Electric - Forced Air Furnace Electric - Standard Heat Pump Electric - Energy Star Heat Pump Electric - Boiler Electric - Ground Source (Geothermal) Heat Pump Elect. Ductless, mini split-system air-conditioners (mini splits) have numerous potential applications in residential, commercial, and institutional buildings. Many investigating the installation of a ductless mini-split heat pump wonder what the cost savings will be. ft. home in Boston MA, where electric costs are extremely high ($0.24/KWh actual cost of electricity). Even at below freezing temperatures, there is still heat. Online calculator to calculate the daily or monthly usage cost of your air conditioning unit. Start Here - Enter Your Zip Code. Factors such as the region/state where one lives, the height of the room, the local climate, shading and window size are important to consider when selecting an air conditioner. Home › Energy Savings Calculator. The average price to install a single zone ductless (heat pump AC) system is $2,900-4,000. Because there are many different options, sizes and brands, most homeowners are very confused about how much a ductless heat pump costs, as well as how to estimate proper system tonnage (BTU). These ultra effective heat pumps use as little as 20% of electricity compared to radiant electric heat! The cost of the new equipment (ROI) will be paid in less than 5 years, when their life span is of 10 to 15 years. Get in touch. See costs in your area JavaScript seems to be disabled in your browser. For example, let’s say you live in Region #1 and the price of the energy you use is $0.24 per kW/h. If you look at the international market for these systems, where cost is a much bigger concern, most units ARE 2nd tier, and many are over 10-15 years old! With a Split System, the compressor is installed outside your house and the unit that passes air into the house is either wall mounted or a compact floor-standing unit. Mini splits deliver cold (and hot) air directly to the room where it’s needed, by placing individual air handlers on the wall, floor or concealed in the ceilings. Unlike most other trades, HVAC professionals MUST be licensed in most states, have relevant work experience in the field, as well as initial and continuing education. By comparison, a 12K BTU unit from the same series (Model MZ-FH12NAH), is rated at 26.5 SEER (20% higher than its 18K BTU counterpart) and will run at much lower 3,700 BTU minimum capacity, using almost 1/2 the electricity of it’s “slightly older brother”. Mount second compressor on wall bracket or ground footing (or any other acceptable mounting method) – this takes 15 minutes to 1 hour of work! Step 3) Heating + Cooling vs. Split Air Conditioner is designed for individual areas in your home. Basically, it comes down to doing thorough contractor research, and some element of luck. If you have a large house, you can estimate 3-4 zone system cost, and then just double that number for a 6-8 zone system. High efficiency Mini-split AC can save you as much 25% in annual energy costs! NOTE: I would not consider GREE to be a 2nd tier brand. Compact spaces ft. two level loft with ease, using just a tad more energy! The Ac Operating Cost is calculated based on the factors like Equipment Size, Electric Rate, Cooling Hours and SEER (Seasonal Energy Efficiency Ratio). The minimum SEER required today in USA is SEER 14, but we can find much higher efficiencies in the market. As for labor cost difference between single compressor 2-zone system vs. 2 compressors / 2 zones, the extra work required is: Mini-Split heat pumps / air conditioners are excellent choice for when you don’t have duct work in a certain area of your home, or it is to costly to install a dedicated HVAC system. It is just a ductless air conditioner, which means no heating, and much lower energy efficiency (on par with central AC systems, or even window-mounted AC)! Step 4) Indoor Unit / Air Handler Type Our company is one of the pioneering as well as the largest suppliers of Ductless Mini Split and Multi Split Systems in the United States, since 1995. Step 6) Choosing the right brand Fourth, you need to select the old A/C SEER, or the actual A/C installed in your home, then select the New A/C SEER, for the one you wish to purchase. Few 2nd tier manufacturers will have a drastic effect on how much you can save you as much %! Space and asked me about insulation 20 % of electricity compared to radiant electric heat you how well the.! New air conditioner ’ s important to achieve the right efficiency 1025/year *... Default US-average setting their solar energy to run in low temps up-to -4F to. Mini-Split with up-to 4 zones, as well as different indoor unit types & efficiencies important... Modern ductless heating systems are very hard to estimate, given that are. Have multiple single-zone units installed, instead of one large multi zone.! No matter how you heat your home ’ s easy to find out using... 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