★ ★ ★ ★ ★
"Thank you for fixing my furnace tonight!! It's cold and will be colder tomorrow night... I knew I made the right decision having you install my furnace and air conditioning. You are awesome!! I love my generator that you installed as well!"
— Cheryl Kensill
(Facebook Review)
★ ★ ★ ★ ★
"I've used Hartman Brothers for all my HVAC needs across multiple properties and they are always responsive and timely. Dalton was my technician and demonstrated a high degree of both professionalism and helpfulness. Vicky is their jack-of-all trades office and scheduling manager. She always does a phenomenal job and makes you feel valued as a customer in every interaction. You can't go wrong with this company. Strongly recommended!"
— Spencer Lulling
(Google Review)
★ ★ ★ ★ ★
"I had yearly maintenance on my heating system prior to cold weather coming on. The technician was very informative about my system and pointed out several things."
— Robert D.
(Google Review)
★ ★ ★ ★ ★
"Ked did a good job on both the furnace inspection and the Aprilaire humidifier installation. Knowledgeable and courteous."
— Bob
(Google Review)
★ ★ ★ ★ ★
"Neb is great. Timely and through. Explains work performed in terms you can understand."
— Thomas C.
(Google Review)
★ ★ ★ ★ ★
"Great Heating and Air Company to work with who are always professional, courteous, fairly priced and even help in a timely manner when things break at the most inconvenient time."
— Melissa Philebaum
(Google Review)
★ ★ ★ ★ ★
"Brian showed me what was wrong with my air conditioning unit and explained everything so I could understand. He spoke to Vicki at the office regarding a needed part that would have to be ordered. They could have slapped a generic part on, but it would have only been a short-term fix. Instead of taking the easy way out, they are getting the part made for my unit so it will stay fixed, and they are coming back to finish the job as soon as they have the part. Hartman Brothers is ethical, knowledgeable, friendly, and they do the job right! I highly recommend them!"
— Kris De
(Google Review)
★ ★ ★ ★ ★
"Excellent professional service by Brian…detailed cleaning of outdoor air conditioner unit..checked electrical components.. changed batteries in thermostat!"
— Ramona H.
(Google Review)
Today's ductwork design principles correct thermal losses, pressure imbalances and other errors that waste energy. In the past, design and fabrication of ducts were done with the aim of minimizing costs. If you're looking to improve your home's efficiency and comfort, you should be aware of the principles of modern ductwork design below.
The average homeowner spends 20 to 30 percent more energy than necessary for cooling and heating bills due to leaky and inefficient ductwork. If you are constructing a new home or 