All Things M.E.P.
HVAC's M.V.P.

Heating
At Walley’s®, we keep homes warm by expertly installing, repairing, and maintaining furnaces and heat pumps. We quickly diagnose heating issues, offer energy-efficient solutions, and provide emergency services to ensure year-round comfort.

Cooling
At Walley’s®, we help customers stay cool by installing and servicing air conditioners and ductless mini-splits. We maximize cooling efficiency, enhance indoor air quality, and offer seasonal maintenance to keep systems running smoothly.

Water Heaters
At Walley’s®, we install, repair, and replace water heaters, including tankless models. We troubleshoot temperature inconsistencies, boost energy efficiency, and ensure customers enjoy reliable, consistent access to hot water whenever they need it.
The Walley's® Way.
Home Owners. Builders. Managers.

Home Owners
Walley’s® HVAC provides expert heating, cooling, and air quality services, offering installation, repair, and maintenance solutions that ensure homeowners enjoy comfort, energy efficiency, and reliable indoor climate control year-round.

Builders
Walley’s® HVAC partners with builders to deliver top-quality heating, cooling, and ventilation solutions for residential and commercial projects. We offer expert system design, efficient installation, and ongoing support to ensure projects stay on schedule and meet the highest standards.
Our team works closely with builders to customize HVAC systems that enhance property value, comfort, and energy efficiency.

Property Managers
Walley’s® HVAC supports property managers with reliable HVAC installation, maintenance, and emergency repair services, helping to maximize tenant comfort, reduce downtime, and extend the life of heating and cooling systems.
Features you'll love

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Pricing
What You Get
Accordion Element
In the meeting we’re going to learn about you, your property, and your systems. We’re going to ask that you send over some photos. Through our process, we will gather the information we need to generate a detailed customized proposal for your project. After you confirm your selections we will send a dedicated Project Manager on-site to measure everything, get a stock list, and confirm everything will work as planned before we file permits, order materials, schedule the work, etc. If we miss something in the meeting, we’ll catch it at the site survey.
Since 1989. Walley’s has over 35+ years of experience and has served over 10,000+ customers throughout New Hampshire and Massachusetts.
We install gas, oil, and electric systems. We install high efficiency systems and conventional systems. We install furnaces, boilers, heat pumps, air conditioners, ductless systems, water heaters, and packaged units. We install hydro air, high velocity, sheet metal ducting, steam, baseboard, and radiant systems. We install humidifiers, thermostats, germicidal lamps, ERV’s, HRV’s, air filters, and air purifiers. We work with the best manufacturers and use premium materials. We do plumbing and electrical, too.
Yes. Walley’s is a full service mechanical and plumbing firm capable of meeting the most strict demands of the areas best contractors and developers.
It depends. For most replacements, you could expect a quote within a few hours and even sooner if you stress the urgency. For larger projects it may take a day or two to turn around pricing for a big custom job. Commercial pricing may take a week or two to prepare depending on the complexity.
No problem! You’ll have a dedicated Project Advisor to assist you. You’ll have their direct line and email so you can call, text, or email as preferred.
Schedule a pre-installation site survey. We need to get the Project Manager on-site to make sure all your selections are going to work as planned.