★ ★ ★ ★ ★
"We could not be happier with our service, estimate for a new system and most of all offering to but coolant in the system to give us AC until new system is installed."
— Lanna Benjamin
(Google Review)
★ ★ ★ ★ ★
"Ked did a good job on both the furnace inspection and the Aprilaire humidifier installation. Knowledgeable and courteous."
— Bob
(Google Review)
★ ★ ★ ★ ★
"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)
★ ★ ★ ★ ★
"Excellent service and very friendly service technician."
— Mike Hamrick
(Google Review)
★ ★ ★ ★ ★
"I have always had excellent service from Hartman Bros. They go above and beyond! Thank you, Ked S."
— Tina Fourman
(Google Review)
★ ★ ★ ★ ★
"They call ahead - arrived not only on time but a bit early! The technician was polite and professional."
— Joan G.
(Google Review)
★ ★ ★ ★ ★
"My experience was excellent the technician explained very clearly what he did and how different parts worked. A+"
— Bruce L.
(Google Review)
★ ★ ★ ★ ★
"They were on time, cleaned up after themselves, and the quote they gave was exactly the amount charged. I would use them again and recommend them."
— Karen Watson
(Google Review)
The concept of HVAC has been around for thousands of years. The ancient Romans and Greeks used channels under marble flooring to distribute heat. However, it was until 1902 that the modern A/C idea was launched by Willis Carrier. Today's systems have experienced tremendous technological upgrades that make them significantly different from the older ones. Let's explore the recent HVAC history that has contributed to that.
