At Hart & Iliff your comfort is our business

Open an Account Today!

We Install and Repair most brands of heating and air conditioning equipment including

Welcome to Hart & Iliff

The purpose of this website is to provide our customers, friends and prospects with as much useful information as possible. In addition to Hart & Iliff's products and services, this website contains information which is relevant to your home comfort needs. Much of this information is contained in articles from our award winning quarterly newsletter Comfort Line.

Subscribe Now
A description of my image.
A description of my image.

Comfort Line Newsletter

Comfort Line is our newsletter published since Fall 1999. It's mission is to provide useful information regarding your home, your comfort and tell you a little about Hart & Iliff, our services and our people. All past issues are posted on our website, exactly as originally issued. To the best of our ability, each issue was accurate at the time of publication. They have not been updated to reflect any changes since the date of publication.

Check out our Newsletters

Good reasons for choosing Hart & Iliff

You expect to receive personal attention when you select a fuel oil dealer or heating / air conditioning service provider in the Northwest New Jersey area. You want a company that considers you important and makes a special effort to give you fast, competent service.

Is this too much to ask today? We don't think so. It's the way we've been taking care of our customers since 1889. At Hart & Iliff, we recognize that each customer is unique. This is why we spend time getting acquainted, visiting your home and inspecting your heating and air conditioning systems. Today, you expect more than service excellence from your fuel oil dealer or heating / air conditioning service provider. That's why Hart & Iliff offers unique worry free price protection programs that eliminate expensive winter price spikes and control your heating costs. We also offer our customers emergency service 24 hours a day 7 days a week.

Open an Account
A description of my image.
A description of my image.

Ultrablend Heating Oil

With Ultrablend Heating Oil we've made oil heat a better value by using the most advanced additive technology in the home heating industry.  Ultrablend contains detergents, stabilizers, dispersants, inhibitors and an EPA approved microbiocide insuring that your system runs clean and at peak efficiency

Find Out More

What Our Customers are Saying

These are unsolicited comments received from Hart & Iliff customers.

"Heating system is working well now. Very courteous service technician. Thanks."


A.H., Andover, NJ

"Thanks for all your help and patience. This was large undertaking for me. I appreciated all your professionalism."


B.C., Sparta, NJ

"We are very pleased with the service you gave us in fixing our air conditioner. Each person who came to home was understanding and sympathetic to the situation at hand. The number of days and long hours the team worked during the one of the hottest summers on record, far exceeded our expectations. Thanks to all who worked to get our air conditioner back on-line."


C.B., Newton, NJ