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Compressors

Compressors (for HVAC, fridges, etc. – and not the kind for use with pneumatic tools) – are surprisingly simple feats of engineering which make modern life more comfortable. My experience with compressors is limited to observation and sim...
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Furnaces

Furnaces – there are so many ways to heat a home, and even within the specific category of gas fired central forced air furnace, there are several types. I won’t be discussing those types here. Instead, I want to convey how simple they ar...
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ACCA

ACCA, or the Air Conditioning Contractors of America, is a code regulation designed by HVAC (Heat Vent Air Conditioning) specialists for use by contractors who build structures. As an early reminder, we are not HVAC specialists, and we are not code i...
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Baseboard Heaters Below Windows

Why are Electric Baseboard Heaters below windows? – it never made sense to me that baseboard heaters are located below windows. Windows are typically far less resistant to heat loss than the rest of the exterior wall – whether it is insul...
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Heat Recovery Ventilator

Heat Recovery Ventilators are special equipment that is designed to save energy. Homes require a specific range of temperature and humidity for occupant comfort and building health. Historically, homes were not well sealed, so drafty air movement...
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Energy Recovery Ventilator

Energy Recovery Ventilators work in much the same way as heat recovery ventilators (HRV). Warm air exits the home through a special ductwork and box. Cool outdoor air is brought in through another duct instead of gaps and cracks in the building. Duct...
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MERV Ratings

MERV ratings are a way to identify the effectiveness of an air filter. It stands for Minimum Efficiency Reporting Value. Essentially, it is a scale for consumers to identify what size of airborne particles will be captured by filter media. MERV ra...
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Bathroom Fan Timer

Bathroom fan timer extends the benefits of your bathroom fan. Actually, I would consider it almost a requirement to get any true benefit from your bathroom fan. There are many types of fan timers, some are analog and must be wound up then slowly coun...
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HVAC

HVAC is a general term that describes all (or in practice, any combination of): Heat, Vent, Air Conditioning. It may apply to a window air conditioner, or a massive central air handling system. It could include a gas, oil, or electric furnace to heat...
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Sealed Homes

Sealed homes – in the past few decades, builders and homeowners have become aware of energy loss in buildings. We have worked to seal homes to prevent drafts and ultimately energy loss. This is of course a good thing for our energy bills and th...
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