Climate Design Systems, LLC

Climate Design Systems, LLC

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Climate Design Systems, LLC is a 75 year old family owned & operated HVAC company offering Heating, Air Conditioning & Plumbing services.

Climate Design Systems, LLC was originally founded in 1946 under the name of Haverhill Sheet Metal, a full-service heating, air conditioning and indoor air quality contractor. We’re committed to do the job -- every job -- the right way. STAFF:
All of Climate Design Systems' engineers and technicians are fully certified and trained. We maintain a fleet of 50 plus digitally-dispatched service vehicles equipped with the parts needed for a majority of repairs. Our friendly staff are background checked, pleasant, and keep up with the latest in heating and air conditioning technology, rebates, discounts and financing options. SERVICE:
We live in a wonderful place, but New England's weather can be tough. We know how to keep your heating and cooling system operating at peak efficiency in this harsh climate. We offer a wide range of service plans to meet your needs. Qualified technicians are on-call for emergencies 24-hours-a-day, 7-days-a-week. INSTALLATIONS:
After your home is measured, our engineers perform calculations so that we can assemble the most efficient system (not too big or too small). Unlike many contractors who use thin, one-size-fits-all ductwork, Climate Design Systems operates our own sheet metal shop to create the ductwork that's sized just right for your home or business. LOCALLY MANAGED AND OPERATED:
Climate Design Systems began as a local company in the Merrimack Valley area more than 70 years ago and continues to remain locally owned, managed, and operated by some of the most experienced HVAC specialists & Staff in Southern New Hampshire and Greater Boston areas, today. We proudly remain a recognized leader in heating, ventilation, air conditioning and mechanical contracting servicing both New Hampshire and Massachusetts.

Photos from Climate Design Systems, LLC's post 11/03/2026

You don't see us installing a steam boiler very often! But in the right application, it's perfect. Watch out for the video to explain why we did a Steam boiler at this home in Haverhill.

11/02/2026

The heart & soul of this home! Brand new Bosch Home Comfort. Dive in to see what this kind of system can offer you and your home.

10/31/2026

We WILL come to your house, but it won’t be scary! Having no heat…. Now that is scary!

Photos from Climate Design Systems, LLC's post 10/31/2026

Brand new Viessmann Climate Solutions going down this past week!

10/30/2026

👏 STOP GUESSING WHAT YOUR HVAC SYSTEM WILL COST

In less than 2 minutes, you can get the exact pricing for your home: https://climatedesignsystems.com/instant-quote/

❌sales games
❌ surprise upcharges
❌upselling

See your price. Know your options. Make the decision that’s right for your home. That’s a better way to buy HVAC

Photos from Climate Design Systems, LLC's post 10/29/2026

The job isn’t finished until the finishing touches are done right. 🔧 We take pride in leaving every install ready to perform for years to come.

In less than 2 minutes, you can get the exact pricing for your system too: https://climatedesignsystems.com/instant-quote/

10/29/2026

Is your system okay outside in the winter?

Bosch Home Comfort

10/28/2026

When you need HVAC repairs or a new system, we know the timing isn’t always ideal. That’s why Climate Design Systems offers financing options to help make comfort more manageable when you need it most.

💰 Financing options for repairs starting at $1,000
📆 Options available for 0% financing for up to 3 years
🏠 Flexible solutions to help keep your home comfortable

We’re here for more than just the equipment — we’re here to help you find a solution when you need it most.
https://climatedesignsystems.com/financing/

10/27/2026

This Bosch Home Comfort system speaks for itself - But jump in to learn a little bit more about this unit and the job we did here!

Photos from Climate Design Systems, LLC's post 10/27/2026

New Rinnai tankless water heater, and a new American Standard Heating & Air Conditioning furnace, coil, and condenser.

All backed by a 5 year labor and maintenance package from us!

Call NOW for all of your HVAC and plumbing needs 🔧💦🔥
📱 978-689-8312

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Telephone

Address


15 Aegean Drive, Unit 3
Methuen, MA
01844

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