Air Conditioning, Made Simple
Central A/C, heat pumps in cooling mode, and the practical stuff NH homeowners actually need to know about staying cool.
A few safe checks can rule out a setting, filter, or power issue. Stop if the system is iced, repeatedly trips a breaker, smells hot, makes unusual noise, or…
New residential air-conditioning and heat-pump systems began transitioning to lower-global-warming-potential refrigerants such as R-32 and R-454B under EPA…
Central air conditioners are available with single-stage, two-stage, and variable-capacity compressor designs. The best choice depends on the home's cooling…
If you see what looks like smoke rising off your outdoor heat pump on a cold morning, it is almost certainly steam from the defrost cycle, a normal part of how…
A refrigerant leak can reduce capacity, increase runtime, damage equipment, and release refrigerant to the atmosphere. Some leaks begin at field-made…
DIY mini split kits sold at home centers and online retailers look attractive: the indoor head, outdoor unit, and pre-charged refrigerant line come in one box…
A central air conditioner or heat pump in a southern New Hampshire home should be professionally serviced once a year, ideally in the spring before the first…
An air conditioner does not produce cold air. It removes heat (and moisture) from the air inside your home and dumps that heat outside. The mechanism is a…
In 2023, the U.S. Department of Energy began using updated test procedures and the SEER2, EER2, and HSPF2 metrics for covered residential central air…
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