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Sizing and Installation

RIGHT-SIZED AIR CONDITIONERS: MECHANICAL EQUIPMENT IMPROVEMENTS

The ENERGY STAR Program promotes right-sized air conditioners where heating and cooling contractors carefully match system capacity to home cooling needs. Homes that include features such as increased insulation, air sealing, high-performance windows, and improved duct systems can dramatically reduce cooling loads. As a result, smaller, less costly air conditioners can usually be installed.

It is common for contractors to install oversized air conditioners because these units provide cooling more quickly, thus avoiding any chance of not meeting the cooling demand. However, oversized air conditioners "short-cycle" or run for shorter periods of time than engineered for optimum operation. The efficiency of air conditioners is low when they first start and increases gradually, reaching peak efficiency in about 10 minutes.

As shown in Figure 1 below, when operating time increases from 5 to 9 minutes, efficiency improves 17 percent. In this example, the energy efficiency ratio (EER) increases from 6 to 7. In addition, bursts of cold air from oversized units can trick the thermostats into shutting off the system before the whole house is cool. Moreover, short operation times do not allow the system to effectively remove humidity with serious repercussions on both home comfort and durability.

Air conditioning accounts for 13 percent of total home energy expenses on average and over 20 percent in hot humid regions. A right-sized air conditioner is an important part of an energy-efficient home and will result in improved comfort, durability, and lower utility bills. RIGHT-SIZED AIR CONDITIONERS MECHANICAL EQUIPMENT IMPROVEMENTS

BENEFITS

Installing right-sized air conditioners can provide many benefits including:

Improved comfort. Right-sized air conditioners supply conditioned air at a lower volume and over a longer period of time than oversized units. This allows the conditioned air to gradually mix into the space and reduces cold drafts near the supply registers. In addition, right-sized air conditioners provide better dehumidification. These features maintain a more consistent level of comfort throughout a house.

Better humidity control. In order for air conditioners to dehumidify or dry the air, they have to cycle long enough for moisture to condense on the coils and drain away. With oversized units, short-cycling reduces the amount of condensation that drains off the coils and even allows some moisture to evaporate back into the air. Air that is not properly dehumidified can be uncomfortable and promotes the growth of mold
and mildew indoors.

Quieter home. Right-sized air conditioners deliver smaller volumes of air over longer periods of time. This reduces indoor noise caused when conditioned air moves through ducts and registers at high speeds and when systems frequently start and stop. In addition, right-sized air conditioners require smaller compressor and fan motors which reduce indoor and outdoor noise when these components are
operating.

Lower utility bills. Energy consumption increases with the size of air conditioners and decreases with system efficiency. Short-cycling prevents air conditioners from operating at peak efficiency. Thus, right-sized units provide an equivalent amount of space cooling for less energy consumed. This results in lower utility bills.

Fewer maintenance problems. Short-cycling increases wear and tear. Other maintenance problems, such as dirty filters, leaky ducts, and improper refrigerant charge, are masked by the large output of oversized units. These problems can increase the amount and magnitude of maintenance required by air conditioners and possibly shorten their lives. Since right-sized air conditioners short-cycle less frequently,
these maintenance costs are reduced and other maintenance problems are more apparent and more likely to be corrected.

ENERGY STAR® promotes the use of high-efficiency technologies and equipment to help homeowners improve the energy-efficiency of their homes. ENERGY STAR is sponsored by the U.S. Environmental Protection Agency and the U.S. Department of Energy


Energy Star - U.S. Environmental Protection Agency - U.S. Department of Energy

 
Peak Heating & Cooling Inc. is a proud participant of the Energy Star Program
For your AC repair in Chanhassen MN, trust a NATE certified contractor.
Peak Heating & Cooling Inc. cares about protecting the environment in Chanhassen MN!
 
Peak Heating & Cooling Inc. uses evironmentally sound refrigerants.
See if installing a new energy star rated Air Conditioning in Chanhassen MN would qualify you for a rebate!
 
 
Peak Heating & Cooling Inc.
24 Hour Emergency Service Available
7 Days a Week, 365 Days a Year
Fill Out Our Online Form
or Give Us a Call at our Office Today
(952) 401-1195
Peak Heating & Cooling Inc.
24 Hour Emergency Service Available
7 Days a Week, 365 Days a Year
Fill Out Our Online Form
or Give Us a Call: (952) 401-1195
 
Contact Information
 
Address:    7801 Park Drive Suite B Chanhassen MN 55317
Phone:  (952) 401-1195
Fax:  (952) 474-4243
Hours of Operation
Monday:   8:00am - 4:30pm
Tuesday:   8:00am - 4:30pm
Wednesday:   8:00am - 4:30pm
Thursday:   8:00am - 4:30pm
Friday:   8:00am - 4:30pm
Saturday:   Closed
Sunday:   Closed

24/7 Emergency Service Available
Connect With Us
For AC repair in Chanhassen MN, like us on Facebook!
For AC repair in Chaska MN, visit us on Google!
Leave us a review on Yelp about your AC replacement in Chaska MN.
Read what your neighbors say about the AC repair or installation we performed near Chanhassen MN on our Angie's List page.
For the best AC replacement in Eden Prairie MN, choose a BBB rated company.
For the best AC replacement in Eden Prairie MN, choose a BBB rated company.
Payment Options
For AC in Chanhassen MN, we accept most major credit cards.
We accept cash for Cooling repair service provided in Eden Prairie MN.
We accept check for Air Conditioning repair service provided in Chaska MN.
 
Send Us a Message
 
Peak Heating & Cooling Inc.
24 Hour Emergency Service Available
7 Days a Week, 365 Days a Year
Fill Out Our Online Form
or Give Us a Call at our Office Today
(952) 401-1195
Peak Heating & Cooling Inc.
24 Hour Emergency Service Available
7 Days a Week, 365 Days a Year
Fill Out Our Online Form
or Give Us a Call: (952) 401-1195
 
Contact Information
 
Address:    7801 Park Drive Suite B
 Chanhassen MN 55317
Phone:  (952) 401-1195
Fax:  (952) 474-4243
Hours of Operation
Monday:   8:00am - 4:30pm
Tuesday:   8:00am - 4:30pm
Wednesday:   8:00am - 4:30pm
Thursday:   8:00am - 4:30pm
Friday:   8:00am - 4:30pm
Saturday:   Closed
Sunday:   Closed

24/7 Emergency Service Available
Connect With Us
For AC repair in Chanhassen MN, like us on Facebook!
For AC repair in Chaska MN, visit us on Google!
Leave us a review on Yelp about your AC replacement in Chaska MN.
Read what your neighbors say about the AC repair or installation we performed near Chanhassen MN on our Angie's List page.
For the best AC replacement in Eden Prairie MN, choose a BBB rated company.
For the best AC replacement in Eden Prairie MN, choose a BBB rated company.
Payment Options
For AC in Chanhassen MN, we accept most major credit cards.
We accept cash for Cooling repair service provided in Eden Prairie MN.
We accept check for Air Conditioning repair service provided in Chaska MN.
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Carrier Products   |   Online Store   |   Owner Center
Employment   |   Reviews   |   Search Site