DIAMOND HEATING & COOLING

Diamond Heating and Cooling demonstrates strong professionalism with responsive, courteous technicians and efficient service delivery across 35 mentions. Project completion is solid with most jobs finished on time and follow-through honored, though a few callbacks and incomplete initial diagnoses were noted. Technical experience is generally sound with skilled installation and repair work evident ... Read more

Diamond Heating and Cooling demonstrates strong professionalism with responsive, courteous technicians and efficient service delivery across 35 mentions. Project completion is solid with most jobs finished on time and follow-through honored, though a few callbacks and incomplete initial diagnoses were noted. Technical experience is generally sound with skilled installation and repair work evident in 22 mentions. However, pricing emerges as a significant weakness: 15 mentions reveal a pattern of aggressive upselling, inflated estimates, and questionable recommendations (unnecessary furnace replacements, duct work, capacitor specs within tolerance). Multiple customers reported being quoted $3,600–$17,500 for work that cost $270–$850 elsewhere, and several technicians recommended expensive repairs that proved unnecessary or dishonest. Read less