Two Important things to consider when installing a new air conditioning unit are the type of unit and location
If your air conditioner is installed properly, or if installation challenges are found and repaired, it will perform effectively for years with only small routine maintenance. Although, many air conditioners are not installed correctly. As a calamitous result, current energy-efficient air conditioners can perform nearly as poorly as aged inefficient ones.
When you install a new central air conditioning system, be assured that your contractor:
- Has adequate indoor room for the installation, maintenance, and repair of the new system, and installs an access door in the furnace or duct to provide a way to clean the evaporator coil
- Uses a duct-sizing methodology such as the Air Conditioning Contractors of America (ACCA) Manual D
- Installs duct work within the conditioned space, not in the attic, wherever possible
- Locates the thermostat away from heat sources, such as windows or supply registers.
If you are replacing an older or failed split system, be sure that the evaporator coil is replaced with a new one that correctly matches the condenser coil in the new condensing unit. (The air conditioner’s efficiency will likely not improve if the existing evaporator coil is left in place; in fact, the old coil could cause the new compressor to fail beforehand. Positions the condensing unit where its clatter will not keep you or your neighbors disturbed at night, if workable
- Locates the condensing unit where no nearby objects will block airflow to it
- Seals all ducts with duct mastic and extremely insulates attic ducts
- Guarantees there are plenty of supply registers to deliver cool air and enough return air registers to carry warm house air back to the air conditioner
- Guarantees that the newly installed air conditioner has the exact refrigerant charge and airflow rate specified by the manufacturer