Hi Grade Heating & Air Conditioning

Hi Grade Heating & Air Conditioning maintains a 4.4-star rating across 14 customer reviews in Miller Place, New York. The contractor serves residential clients throughout the surrounding Long Island area, offering heating and cooling system installation, repair, and maintenance services. Multiple reviewers highlight the company's same-day service capabilities and efficient project completion timelines.

What distinguishes this contractor is the consistent mention of courteous, knowledgeable technicians who respect homeowners' schedules and properties. Several reviews specifically note the team's ability to arrive promptly and complete installations within compressed timeframes, with one reviewer describing a full system installation completed from 8 a.m. to 2 p.m. The company receives repeated praise for professional conduct and thorough communication about products and repair options.

Customers describe specific positive experiences with the service team. One reviewer recounts calling first thing in the morning and having technicians arrive by 9 a.m. to diagnose an air conditioning issue and install a new system within a single day. Another long-term customer specifically mentions working with a technician named Jim, expressing confidence in returning for service at their new home. Multiple reviewers emphasize the team's politeness and courteous behavior while working inside customers' homes.