Caswell & Son Corporation

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Testimonials

“They did a very nice professional job!”

— Michael & Karen Feehan

“Excellent Company.”

— Norman & Karen Rockwell

“They are local people helping local people.”

— Larry Dupont

“Arrived on time! Good people to do business with.”

— Louise Pattison

“Over the years that I have dealt with Caswell and son Corp. I have absolutely no complaints with anything they have done for me. They were the only people that were willing to install my heating and cooling system as my cottage has no decent cellar to work in.”

— Louise Hennessy

"Caswell and Son Corp. has been an excellent company for me for the last 25 years. -

— Donald J. Martin

"I have been extremely pleased with the service and competence of Caswells"

- Linda Cowen

"They were perfect."

— Patricia Parker

“Caswell & Son Corp did a great job as usual. Very knowledgeable & prompt - Keep up the good work.”

— Ken McComb

“The service after the sale has been outstanding! A wonderful company to do business with.”

— Bruce & Cheryl Saenger

“I've done business with Caswell and Son for almost 30 years. They are "Top Notch" in all respects.”

— Mike Pelletier

“Excellent Service, friendly people.”

— Bob & Anna Wilken

“I've been doing business with Caswell for over 30 years. Very Satisfied.”

— Greg Lemay

“From sales to service they were always the best. Great team!”

— Wilma Harrington

 
 

Advanced Technology & Efficiency

You can get 30% energy efficiency savings in offices up to 20,000 feet with new HVAC systems. Ask us about the latest technology for your particular needs.

Lakes Region Counties in NH including:

  • Belknap
  • Merrimac
  • Carroll
  • Grafton