- Attic air conditioners usually price $100–$5,000, relying on the kind and attic measurement.
- Ductless mini-splits are energy-efficient choices, beginning at $500 for single-zone programs.
- Enhance air flow, add insulation, and seal air leaks to additional decrease attic cooling prices.
Owners usually discover it difficult to chill attics, as they’re not often linked to central HVAC programs. Attics overheat in the summertime, because of the solar and rising scorching, humid air all through the house. Should you plan to make use of the house or wish to decrease your house’s vitality prices, you may go for stand-alone cooling programs.
Ductless mini-splits, transportable air conditioners, and window air conditioners are the perfect choices for cooling attics. Owners can anticipate to pay between $100 and $550 for window or transportable items. Single-zone ductless mini-splits vary from $500 to $5,000, however you could possibly pay as much as $14,500 to put in a brand-new multizone mini-split to serve your complete home. Attic followers are additionally a superb alternative for uninhabitable areas, permitting you to chill the house and improve air flow.
“The attic is the most popular room in the home,” stated Mitch Rosa, proprietor of Hudson Valley HVAC in Orange County, New York. “Sometimes, it could be greatest to put in a ductless mini-split air conditioner. They’re tremendous quiet and tremendous efficient.”
Beneath, we’ve highlighted a number of the high decisions for attic cooling, common attic air conditioner prices, and suggestions for decreasing your house’s vitality payments.
HVAC Set up
Basically, you’ll pay between $5,540 and $10,980 for an HVAC unit, set up prices, and elimination of your outdated unit.
Furnace Substitute
You’ll be able to anticipate to pay between $4,000 and $7,000, together with set up, outdated furnace elimination, and labor.
Warmth Pump Set up
You’ll possible pay between $3,000 and $35,000, however most owners spend between $5,800 and $7,500.
Prices on this article are sourced from contractor estimates utilized by Angi and HomeAdvisor.
Typical Attic Air Conditioner Prices
Attic air conditioners price between $100 and $14,500, relying on the kind of unit you put in, in addition to your attic’s accessibility, air flow, and insulation.
Window AC items sometimes vary from $150 to $550. With no extra labor prices, they’re an reasonably priced possibility so long as you’ve got a window in your attic. Single-zone ductless mini-splits begin at $500, however you could possibly pay as much as $14,500 for a brand new multizone system that additionally cools your house and attic.
You too can select an attic fan in case your house doesn’t see a lot use. This may decrease the quantity of warmth reaching the attic, lowering vitality payments. Attic followers and vents often vary from $400 to $900.
This desk breaks down frequent AC programs for attics and their associated prices:
| System Sort | Price Vary | Finest For |
|---|---|---|
| Moveable AC unit | $100–$500 | Momentary use |
| Window unit | $150–$550 | Attics with window entry |
| Single-zone ductless mini-split | $500–$5,000 | Completed attics and regular-use areas |
| Multizone ductless mini-split | $2,650–$14,500 | Completed attics and regular-use areas, a part of the central system |
| Attic fan | $400–$900 | Uninhabitable attics |
| Ductwork extension | $1–$13 per linear foot | Properties with current ductwork and central HVAC that may deal with the extra load |
Sizing your AC accurately will help you retain prices low, however we additionally suggest utilizing the Database of State Incentives for Renewables & Effectivity (DSIRE) to search for native rebates on attic cooling programs.
At this time’s Home-owner Tip
Ductless mini-splits price extra upfront, however they’re essentially the most environment friendly resolution for attic cooling, making them splendid for attics that see frequent or fixed use.
What Impacts the Price of Cooling an Attic?
A number of components affect the price of cooling an attic, together with the house’s measurement and the standard of insulation.
Dimension of the Area
Owners and AC producers measure a unit’s cooling capability in British thermal items (BTUs). The bigger the attic, the upper the required BTU ranking. Larger BTU scores sometimes improve prices. Should you select a smaller unit, the AC will wrestle to chill a bigger residing house. If the unit is simply too giant, you’ll waste vitality, which is able to drive up your utility payments.
You usually want 20 to 35 BTUs per sq. foot of attic house, however you’ll even have to think about the ceiling top, insulation, roof’s solar publicity, and your local weather. For instance, you want a mannequin with the next BTU ranking in a poorly insulated attic in comparison with a well-insulated one.
Completed attics should be at the least 70 sq. toes, which might name for 1,400 to 2,450 BTUs, however most vary from 100 to 160 sq. toes (2,000 to five,600 BTUs). Nonetheless, the smallest HVAC items you’ll discover usually begin at 5,000 or 6,000 BTUs.
At this time’s Home-owner Tip
We additionally suggest trying on the Seasonal Vitality Effectivity Ratio 2 (SEER2), which is the system’s cooling output divided by its energy consumption throughout hotter months. The upper the SEER2 ranking, the upper the system’s vitality effectivity.
This BTU sizing chart will help you identify how highly effective your HVAC unit must be with frequent finished-attic sizes:
| Dimension of Completed Attic (Sq. Ft.) | Really useful BTUs |
|---|---|
| 70 | 1,400–2,450 |
| 100 | 2,000–3,500 |
| 160 | 3,200–5,600 |
| 200 | 4,000–7,000 |
| 300 | 6,000–10,500 |
| 400 | 8,000–14,000 |
| 500 | 10,000–17,500 |
| 600 | 12,000–21,000 |
Attic Insulation and Air flow
Poor attic insulation and air flow improve cooling wants and vitality prices all through your entire dwelling. Too little insulation permits warmth to enter the house from the roof, elevating the inside temperature. With out correct airflow, the house additionally traps warmth. Consequently, your most important AC has to work tougher to keep up a snug temperature.
Whereas you should purchase a system with the next BTU ranking to make up for the lackluster insulation and airflow, you’ll solely improve your utility payments. As a substitute, improve your insulation or add air flow. We additionally suggest contemplating radiant limitations or attic followers, particularly if the house doesn’t see frequent use.
Roofs take up warmth, however radiant limitations are extremely reflective. Research have discovered they scale back cooling prices by 5% to 10% in heat climates. Attic followers draw cooler air in, decreasing vitality prices and bettering air flow.
Set up Complexity
The extra advanced the set up, the upper the fee. Typically, you don’t want an HVAC firm to put in window or transportable items — you solely want an current window for venting.
Nonetheless, ductless AC programs require HVAC professionals. You could possibly see these additional set up prices in your invoice:
- Set up: You’ll pay between $300 and $2,000 to mount and set up a ductless unit, relying on the mounting location.
- Electrical work: If the attic doesn’t have already got a 110- or 200-volt field, you’ll want an electrician for round $50 to $100 per hour.
- Refrigerant strains: Carpenters, who usually cost between $25 and $50 per hour, lower holes for the refrigerant strains.
- Concrete pad: Should you’re putting in a brand-new AC unit, you’ll want a concrete pad for the out of doors condenser, which might price lots of of {dollars}.
Finest Varieties of Air Conditioners for Attics
Ductless mini-splits, transportable ACs, and window ACs are the high choices for cooling attics.
Ductless Mini-Splits
For completed, incessantly used attics, we suggest ductless mini-split programs. You’ll be able to select to put in a single-zoned unit inside the attic house or join the attic to your whole-house mini-split. Both possibility permits you to management the attic’s local weather independently from the remainder of the home, enhancing the house’s total vitality effectivity.
Rosa highlighted a number of advantages of mini-splits over different choices. “Window items block the view. Moveable ACs take up flooring house, and it is advisable have entry to empty condensation,” he stated. Since mini-splits are compact and cling on the wall, they received’t eat into your restricted attic house or restrict your window use. He added, “Ductless mini-splits double as heating programs, so that you resolve your heating and cooling wants.”
Nonetheless, they’re way more costly than transportable or window AC items, and also you’ll want house exterior for the out of doors condenser. Should you don’t use the attic repeatedly, the ductless mini-split system’s excessive upfront price possible offsets most advantages.
Moveable ACs
Moveable air conditioners, often known as flooring air conditioners, are compact items that may be simply moved from room to room as wanted. They solely require a vent — often a window — so that you received’t incur any additional set up prices.
Whereas transportable ACs are reasonably priced, they sometimes solely work properly in short-term conditions. They’re noisy, take up beneficial attic house, and aren’t energy-efficient. As a result of these components, think about using a transportable AC system if you happen to solely use the house often, want a short lived resolution, or require a unit that may be moved across the dwelling as wanted.
Window ACs
Window air con items are one other budget-friendly possibility. Sometimes DIY, they’re straightforward to put in so long as you’ve got the fitting window model and measurement. They work extraordinarily properly in small areas.
Nonetheless, window ACs aren’t as efficient in giant or poorly insulated attics. Moreover, many attics lack standardized home windows. When you can set up one by the wall as an alternative, it is advisable discuss to an HVAC technician to debate structural issues and constructing codes.
Ideas To Cool Your Attic Extra Effectively
Including an AC unit to your attic will virtually at all times lead to larger vitality payments, however you can also make some enhancements to extend the house’s vitality effectivity.
- Add insulation. To forestall warmth loss and trade within the attic, use spray insulation foam or inflexible foam boards. You too can add a radiant barrier to mirror warmth away out of your roof.
- Use window therapies or shades. In cooling season, 76% of the daylight that hits normal home windows turns into warmth. Blackout window therapies and shades block incoming daylight, lowering warmth trade. They’re particularly useful in case your home windows face the east or west.
- Set up a ceiling fan. Ceiling followers don’t decrease the attic’s temperature, however the air motion makes the room really feel cooler. They enhance air circulation, and when mixed with an air conditioner, they distribute the cool air evenly.
- Seal air leaks. Air leaks round your attic doorways and home windows enable warmth to flee within the winter or enter in the summertime. Seal them to decrease your AC’s vitality load.
- Set up a sensible thermostat. Sensible thermostats for mini-split items provide you with extra management over the attic’s vitality effectivity. You’ll be able to pre-set the thermostat to match your routine, and a few varieties will activate if you happen to enter the room (and switch off if you happen to depart).
Subsequent Steps
The price of an attic air conditioner varies by unit kind. Ductless mini-split items supply the perfect long-term efficiency, however they’re usually the costliest possibility. To decide on the perfect kind on your dwelling, take into account how incessantly you utilize the attic and what you utilize it for. Then, measure the house, examine the BTU necessities, and decide a price range. Examine the lifespans and warranties of the perfect programs. You’ll be able to set up a conveyable or window unit your self, however if you happen to determine to go together with a mini-split, gather at the least three quotes from certified HVAC contractors.
In some instances, householders wish to prolong their central AC’s air ducts to the attic. Nonetheless, as Rosa defined, “Once you design a central AC, you design it for that house on the time of set up.” He added that until you preplanned for that future completed house, your present pressured air system can’t deal with the extra, surprising vitality load. Consequently, Rosa recommends going with a ductless mini-split to chill uncommon or hard-to-condition areas.
FAQs About Attic Air Conditioner Price
What are the downsides of an attic air conditioner?
Whereas putting in an attic AC makes the house extra comfy and might preserve total vitality prices down, downsides embody easy-to-forget upkeep necessities, accessibility points, and inefficient programs.
Since an attic AC unit is “out of sight,” it’s additionally “out of thoughts.” This may make it tougher to find out when it wants upkeep, leading to bigger issues (and better prices) down the highway. You may additionally discover it difficult to entry your air conditioner for upkeep and repairs in smaller attics.
In case your attic lacks correct insulation and has air leaks, you could be combating a shedding battle along with your AC, driving up vitality prices with minimal advantages. Improve any poor insulation and seal leaks earlier than including a cooling unit.
Can I prolong my central HVAC system to the attic?
Sure, it’s attainable to increase your central air con system to your attic, in case your current system was designed with extra cooling house in thoughts. In the course of the preliminary HVAC set up, you possible chosen a system primarily based on the scale of your house and local weather. Should you didn’t initially account for a brand new completed attic, the present unit received’t have the ability to effectively or successfully deal with the extra cooling load.
In case your central air conditioner can deal with the additional work, you’ll want to change and prolong your ductwork, which prices $1–$13 per linear foot. Changing ductwork, particularly in attics, tends to price between $2,200 and $5,600. You’ll pay about $2,500 extra if it is advisable insulate your attic. Moreover, analysis native constructing codes concerning attic conversions and air conditioners, and make sure that your new ductwork is well-insulated.
Are window ACs efficient in attics?
Sure, window air conditioners are efficient in attic areas. In comparison with different cooling choices, they’re inexpensive upfront and require little house. You’ll be able to anticipate to spend $150 to $550 on a window unit. You’ll usually spend extra if you happen to want a system with the next BTU ranking.
Nonetheless, in comparison with ductless or central air, window items are much less energy-efficient, particularly in poorly insulated areas. In addition they received’t work in each attic — they require a big sufficient window that may assist the equipment.
Do attic followers assist cool the house?
Sure, attic followers will help cool the room, scale back the load in your most important HVAC system, and forestall injury to the house.
Poorly ventilated attics lure scorching, humid air because it rises, which might injury the roof and any saved belongings, assist mildew and mildew progress, and trigger ice dams in winter. The house’s AC then must work tougher to chill the ground straight beneath the attic.
Attic followers flow into the air, eradicating scorching air from the house and drawing in contemporary, cooler air from exterior. Consequently, they forestall roof injury, enhance the attic’s air high quality, decrease the general temperature in your house, and scale back vitality prices.
