Diamond Mechanical LLC

31/10/2025

Single day boiler swap in Exeter to get this customer their heat back!

Give us a call (or text) for all your HVAC needs!
603-580-4844
www.diamondmechanicalnh.com

31/07/2025

Another one in the books! Ripped out the old oil boiler and tank and set this customer up with a brand new Rinnai Combi gas boiler! Huge shout out to Fuel NRG for getting the tanks set and running today in the heat!

Give us a call to schedule your free estimate
603-580-4844
www.diamondmechanicalnh.com

26/05/2025

Happy Memorial Day. Today we remember those who have given the ultimate sacrifice to protect us and our home land. We thank every last one of you! 🇺🇸🇺🇸

24/04/2025

A quick system swap out for a customer in Fremont today. No more leaking condenser and a long time of nice cold air for the summer!

Give us a call today to schedule your free estimate!

603-580-4844
www.diamondmechanicalnh.com

21/03/2025

Beat the coming heat and SAVE!

Give us a call to schedule your in home estimate for any new system and save up to $1000!

Job must be scheduled for install completion by April 30th!

We offer 0% financing for up to 24 months as well as military or veteran discounts!

Call or text us today to schedule your free estimate and get ready to beat the heat!

603-580-4844
[email protected]

www.diamondmechanicalnh.com

04/03/2025

The weather is beginning to change and that means it’s time to start thinking summer time! With that comes those dreaded emergency calls on first time start up of your AC system. Beat the chance of that and schedule your AC system today! Call or text us at 603-580-4844 to get scheduled and be ahead of the game!

25/11/2024

Out with the old, in with the new!

This customer of ours called after the tenants tank leaked out and they needed to have it replaced. The owner and technician jumped right on it the next day and got it swapped out for them to get fuel and heat back and running!

Give us a call or text today for all of your HVAC needs.

603-580-4844
www.diamondmechanicalnh.com

07/11/2024

Our team took the nice day and installed another mini split system for a repeat customer.

Give us a call or text at 603-580-4844 today to schedule your free estimate!

www.diamondmechanicalnh.com

31/10/2024

Is your oil tank extremely old? Don’t wait until it’s too late! Give us a call to get your free estimate on replacement!

Give us a call or text at 603-580-4844

www.diamondmechanicalnh.com

14/10/2024

Don’t forget to schedule your maintenance on your homes heating system!

Call or text us at 603-580-4844

As the weather turns colder, officials are reminding people to make sure their heating systems are in good shape.

07/10/2024

Schedule between 10/7/24 and 10/31/24 to earn the following savings!

Call or text 603-580-4844 to schedule!