Question for Our Experts: What is an evaporative cooler? Our Experts’ Answer: Short Answer An evaporative cooler is a machine that cools air by passing dry, hot air over water,…

Note: Article originally published on July 14, 2014. Content and graphics revised on December 27, 2021. Question for Our Experts What is a heat pump? Air conditioners are pretty straightforward. So are…

You might have heard that programmable thermostats may lead to significant cost and environmental savings — but are programmable thermostats really worth it? This is a smart question, but it’s impossible…

Question for Our Experts When do I need an additional HVAC system for my home? Our Experts Answer The Short Answer You may need an additional HVAC system for your…

Question for Our Experts: How often should I change my HVAC filters – and are washable filters better than regular ones? Our Experts’ Answer: This question begs some related questions…

Questions for Our Experts: How to Balance Your HVAC System My friend suggested that my HVAC system needs to be ‘balanced.’  What does this mean, and why might I need…