AC Installation in Bangor, ME
A new air conditioner in Bangor will run from July through July every year. Tell us about the house, and a licensed contractor who covers Penobscot County will get in touch.
Tell us about the job
It takes about a minute.
Bangor doesn't ask much of an air conditioner, until a storm does
Summer afternoons here average 77°F. That is mild, and it means a new system in Bangor isn't fighting extreme heat the way homes further south do. Any unit sized right for your house will keep up without much strain.
The bigger test is what comes through the air, not the heat. Penobscot County has logged 42 hail events and 188 damaging wind events over the past ten years, with hail up to 1.75 inches. That is what wears on an outdoor condenser, the coil fins and the cabinet, more than a mild summer ever will. Any new central air conditioner installed today also has to meet the federal minimum of 13.4 SEER2, so the efficiency floor is already set before you pick a model.
- 1 months
- July through July, your air conditioner is on duty
- 77°F
- the average summer afternoon it cools against
- 42 hail events
- in ten years, and hail bends the fins on outdoor coils
- 13.4 SEER2
- the federal minimum any new unit must meet
NOAA nClimDiv, 1991–2020 normals
Going above the federal minimum saves little here, about $20 a year.
Estimates for a typical Penobscot County home, from EIA household energy data, Maine fuel prices and NOAA climate normals. Your home will differ.
- What size air conditioner does my house need?
- There is no set size that works for every house, so this takes a load calculation done by a contractor. They look at your square footage, insulation, window placement and how many rooms need to stay cool, then size the unit to match. Putting in one too big cools the air fast but shuts off before it pulls the moisture out, so rooms feel damp. Too small and it runs constantly without ever catching up on a hot afternoon.
- Should I replace the whole system or just the outdoor unit?
- In most cases replacing just the outdoor unit is not a good idea. The outdoor unit and the indoor coil are matched to work together, and pairing a new one with an old coil can mean the system never reaches the efficiency it is rated for. A contractor can check the age and condition of the indoor coil and tell you whether it can handle a new outdoor unit or whether both need to go at once.
- Do HVAC contractors in Bangor need a state license to work on my home?
- Check that any contractor working on your home is licensed before the work starts. Ask for the license number up front and confirm it with the state. A licensed contractor can also tell you what your new system needs to meet, since central air conditioners built since 2023 have to hit a federal minimum of 13.4 SEER2.