For many years I used Haller at two different properties and was very satisfied with them , especially the technician who had been servicing the AC/heating system (Carl). In the last couple of years I

On 12/3/25, I paid a third of my job cost and Haller ordered a draft inducer/gas valve assembly for my boiler. It was to arrive in 10-15 days. Actually it took 21 days. On 12/24/25 it was installed bu

As a loyal Haller customer since 2016, having invested over $21,000 in two complete HVAC systems, I am writing to express my deep disappointment. In May 2021, I purchased a full system replacement for