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Our Lifetime Warranty & Guarantees

Our Guarantees

When you call Heritage, you not only get our warranty benefits but also the peace of mind that you called the most reputable company in New Hampshire.  Our family has been proudly and professionally serving our communities for over 32 years.  If you’re not completely happy with our services, tell us.  We’ll do what it takes to make things right.


Our promise to you is other than the quality solutions we provide, there won’t be a trace that we were ever in your home!  Our expert technicians will arrive in clean uniforms, organized trucks, and shoe covers to ensure your home stays tidy.  We’ll leave making sure the work area is as clean as we found it.

Customer First Lifetime Warranty & Guarantees at Heritage


We conduct personality assessments, drug testing, and criminal background screening to ensure our employees provide you a pleasant and trustworthy experience.  We guarantee your technician will be competent, safe, respectful, and friendly.

Upfront Pricing

We’ll perform a complete assessment of your issue and provide you a firm quote – and we stick to it even if the job takes longer or requires additional parts.  You’ll never pay more than what was quoted – giving you the peace of mind to make an informed decision before any work is started.

On-Time Arrival

You will receive both a three-hour appointment window to expect your technician and a thirty-minute call ahead to notify you of their coming arrival. If your technician does not arrive on time or provide this call ahead, we will credit you $50 towards your service.

Problem Solved

Our solutions are always intended to be long-term solutions. If the work we do does not live up to the expectations promised, we will do everything we can to fix the issue at no cost to you.  Just Call Heritage – Problem Solved.

Heritage Techinician in front on truck
Daren Lawrence
Daren Lawrence 5.0
John Reddy
John Reddy 5.0

Tim provided excellent service. He took the time to explain in detail all my options. Very much appreciated. John R.

Jody Lyonnais
Jody Lyonnais 5.0
Kristin Cote
Kristin Cote 5.0
David Rice
David Rice 5.0

Tyler explained everything in detail with the new furnace. He was very professional an asset for the company

Rebecca Mangold
Rebecca Mangold 5.0
Jenna Cooke
Jenna Cooke 5.0

Bernie was so knowledgeable, communicative, and prompt. We’ll ask for him by name next time, but this whole experience with Heritage was extraordinary!

Rob P
Rob P 5.0

Very pleased with the quality and professionalism from Heritage. I will definitely call them again if needed.

Dave Kirkpatrick
Dave Kirkpatrick 5.0

Was very professional. Diagnosed the problem quickly and resolved it.

William Foster
William Foster 5.0

They were on time and completed quickly.

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