A customer calls, asking me for advice. She says, “I just spoke with a very nice woman in your office. We are trying to get a new hot water boiler. We have had three contractors out to give us bids.

Question: How do I know what size A/C system my house needs? Answer: When considering the size of your central A/C unit, there are a few factors in play. Primarily, the size of your house is used to ...

In this paper a combustion diagnostic method is presented where measured pressure data is used to calculate the heat release, local temperatures and concentrations of NO and other species. This is ...