What Is an Air Handler?

April 11, 2026

The same goes for a heat pump. The outdoor unit might be in perfect working condition. Still, the heating and cooling process stops without an indoor evaporator coil, connecting refrigerant lines, and a fan to blow conditioned air through ductwork.

What Are the Basics of Furnace Filters?

March 14, 2026

Furnace filters. They’re one of those items not really on the top of everyone’s minds, but they are important and can have a big impact. At Chaves HVAC, we know with the right furnace filter, you can save money and improve your Sudbury indoor air quality (IAQ) in one fell swoop.

How to Keep Warm During Extreme Cold Weather

February 14, 2026

We receive countless calls every time the temperatures drop below normal ranges, as homeowners here in Massachusetts encounter problems with their home’s heating system.

Why Choose a Variable-Speed Heat Pump?

January 16, 2026

Choosing the right heating, ventilation, and air conditioning (HVAC) system for your Sudbury, home is crucial to ensure comfort, energy efficiency, and cost-effectiveness.

10 Things to Consider When Buying a New Furnace

December 12, 2025

Winter in Hudson is shaping up to be especially harsh this year. Can you imagine not having your furnace to help you make it through? You go to turn it on … and instead of rushing warm air through your ducts, it rattles, groans, and then just sits in sullen silence, clearly protesting another season of overworked servitude.

What Is That Burning Smell Coming From My Furnace?

November 14, 2025

There is nothing scarier than switching your furnace on in the fall and catching a whiff of something burning.

If that happens to you, try to stay calm. The odor could be a harmless sign that your furnace is burning off dust at the start of the heating season in Massachusetts. Or it could be a red flag for a more significant problem.

Schedule Your Annual Furnace Inspection Now

October 17, 2025

What’s at the top of your fall to-do list in Hudson? Make sure it is your furnace.

Prepping your heating, ventilation, and air conditioning (HVAC) system for winter not only enhances your safety and your furnace’s efficiency, it can help keep your repair budget in line during cold weather.

5 Reasons Why Regular HVAC Maintenance Is Essential

September 12, 2025

According to the U.S. DOE, a simple task such as changing the air filter on your HVAC system can improve efficiency by up to 15 percent.

5 Ways to Save Money on Your AC and Summer Energy Bill

August 15, 2025

With summer in full bloom in Hudson, most residents are all looking to save some pennies wherever possible. So why not start with your costly energy bill? After all, the US Department of Energy says air conditioning AC can account for 35 to 40 percent of your utility bill.

Don’t Let Your Home Sweat It Out: A Massachusetts Guide to Humidity Control

July 11, 2025

If you’ve lived here for any length of time, you’re well aware of the battle we wage against moisture in the air, especially during those brutal months from July to September. We call this time of the year “the sweating season.”

White favicon for Chaves in Hudson, Massachusetts.

Need HVAC Service?

Contact the experts at Chaves HVAC.
Call us at 978-562-5309!