Total Air Supply

At Total Air Supply, we provide a complete range of professional HVAC equipment from leading brands like Daikin and City. Our inventory includes residential and commercial heating and cooling systems, air handlers, condensers, heat pumps, furnaces, and ductless mini-splits. Every product is selected for reliability, efficiency, and performance to help you meet modern building standards and client expectations.

Who is this for? Contractors, mechanical engineers, property managers, and facility maintenance teams across Derry CDC, NH rely on us for prompt equipment sourcing. We understand that delays cost you money, so we maintain deep stock levels at our Derry CDC, Nashua, and Manchester branches.

Our process is simple: consult with our knowledgeable inside sales team, check availability online or in person, and schedule pickup or delivery. We also assist with warranty registration and technical specifications. What makes us the best? Over 15 years of consistent service excellence, as verified by customers like Cory Arsenault of Airwave Mechanical. We answer calls quickly, solve problems creatively, and treat every order as if it were our own.

Our in-house metal fabrication shop sets Total Air Supply apart from other distributors. We custom-build ductwork, fittings, transitions, plenums, and specialty sheet metal components to your exact measurements. No more piecing together stock parts or waiting weeks for special orders. With our fabrication services, you get precision-made components that fit perfectly the first time.

This service is designed for HVAC contractors tackling complex commercial jobs, retrofits, or custom residential installations where standard sizes won't work. We work from your drawings or field measurements to produce durable, code-compliant metalwork in materials including galvanized steel, stainless steel, and aluminum.

Our process begins with a consultation – bring us your specs or let our team advise on the best design. We fabricate in our Derry CDC, NH shop with rapid turnaround. Finally, pick up at your local branch or request delivery to your jobsite. Why choose us? Speed, accuracy, and local support. We are not a distant factory; we are your neighbors, ready to help you win bids with custom solutions at competitive prices.

Total Air Supply goes beyond selling parts – we help you build a smarter workforce through TAS Academy. Our training programs cover equipment installation, troubleshooting, refrigerant handling, system design, and the latest energy efficiency standards. Classes are held in-person at our Derry CDC, NH locations and online, led by industry experts.

This service benefits new technicians looking to accelerate their skills, experienced installers needing continuing education credits, and business owners who want their teams to stay current with evolving HVAC technology. We also provide on-demand technical support via phone or email to help you diagnose tricky system issues or verify compatibility.

Our approach: identify your training needs, schedule a session, and gain hands-on experience with real equipment. For ongoing support, call our technical hotline – we have factory-trained specialists ready to assist. What makes us unique? We are one of the only local suppliers combining product distribution with formal education and immediate troubleshooting. Plus, we share updates on utility rebates that can save your customers money. When you succeed, we succeed.