Q&A / 

Michelle Hill is hot and bothered in her Crosby, Texas home. It does get very hot in Texas in the summer. Here's what she wrote to me: "If my house is a little over 1,700 sq ft including the attached garage, how big should the AC be?" Here's my answer: Michelle, it's not that easy. […]

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Larry Clifford had a humidifier install at his Richmond, KY home. He's now wondering if it was done wrong because it doesn't seem to be working right. Let Larry lay it on you: "I have a heat pump that came with the house. I am the original owner. A few years ago I had a HVAC […]

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Stacey lives in a nice house that was built the same year I was born! It's in Winnipeg, Manitoba Canada where it can get bitter cold. Let Stacey tell you what the problem is: "Hi. I'm in a 1,100 square foot one and one-half story house built in 1952. During the colder months I feel a draft […]

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Tim discusses new technology that alerts you when it's time to change your furnace or AC air filters. The notification can be via email. You can play the AsktheBuilder Filterscan Game. Just CLICK HERE to play. You could win prizes. (Prize deadline is November 17, 2014.)

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Quick Column Summary: Is dust in house coming from ductwork What is creating the dust Most dust gets in through air cracks near doors/windows Denis has a dusty house in California's Central Valley. He lives in Merced, CA. That's a clue by the way. Here's what Denis sent me: "Hey Tim, I have the dustiest […]

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Galvanized ducting buried under concrete slabs can collect water, debris or worse. There is an air duct cleaning system that not only cleans your ducts, but coats them with a waterproofing compound. This system uses your existing ductwork, so no need to install new ducts.

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If you have an existing house with air conditioning problems, there may be numerous things that are contributing to the problem. We have already discussed the sizing of the air conditioning units and importance of proper return air. But there are other HVAC problems that can cause poor cooling. One of these is static pressure.

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Air conditioning a home properly will allow your family to be comfortable in the entire house. Central air conditioning systems must be sized correctly. Call a professional heating and air conditioning expert to calculate the proper size air conditioning unit for your house. If you already have a central air conditioning system, he can do the air conditioning troubleshooting for you.

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Does it make sense to buy the most efficient heat pump? It depends on your climate, location and energy costs. This chart makes a comparison of the heat pump efficiency, electric cost, yearly savings and lifetime operating cost.

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Heat pumps are very popular units. A heat pump is one of the most complex units in a typical residential home. A special thermostat is required for the proper operation between heat pump operation and the auxiliary electric resistance heating. Here are some simple facts about the heat pump mechanics.

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