Schedule Maintenance

Regular maintenance can save you thousands of
dollars and keep your system running perfectly.

Get a Quote On a New Installation

Work with one of our highly trained staff to help you identify what new system is right for you and your home.

We Can Handle All of Your Commercial Installation Needs

With over 75 years of experience we are the HVAC Experts of Central NY.

Gas Fireplaces That Make Your House a Home

Installing a fireplace in your home will bring a new level of comfort the whole family will enjoy.

Reliable Heating Oil Delivery Service

Find out why so many people in the Mohawk Valley count on Collis for oil delivery.

Solutions You Can Trust

We go above and beyond on every project. It’s our promise to you.
Read More

Emergency Service

When you need help, and you need it fast, you can rely on Fred F. Collis to be there as soon as possible. Call us when you have an emergency, 24/7 even Holidays or weekends.  Read More

Seasonal Tune-Ups

The life of your system, and its efficiency, is dramatically impacted by how well it’s maintained. You’ll have a worry-free season, once we’ve given your heating or AC system its tune-up  Read More

Annual Maintenance

Annual maintenance agreements are an easy and affordable way to keep your system running in tip-top shape, and ensure that if there ever is an emergency, you’ll get the royal treatment at a discounted price. Read More

Special Offers

Now is the perfect time to upgrade your heating or AC with amazing savings and value that only Fred F. Collis and Sons can offer – Call us now to learn how you can save energy and money with our high-quality systems!
Read More

Financing Available

If you’re looking to upgrade your system, but you have to work within a budget, then let Fred F. Collis help make things a little easier with our financing options. Read More


When you choose Fred F. Collis as your heating and air conditioning contractor, you’re also choosing innovative Carrier® products that come with an incredible warranty. Read More