Professional HVAC Services

Reliable Climate Control

At Diversitech ENT. INC., we don't just fix units; we optimize environments. Our comprehensive approach ensures your systems run at peak efficiency, reducing energy bills and improving comfort. Whether you need a simple filter change or a full system overhaul, our licensed technicians bring the tools and talent to get it done right the first time. We specialize in both residential and commercial applications.

Technician in orange gloves using a multimeter and manifold gauges to service an outdoor HVAC unit on a roof.

Our Services

White water heater tank and piping system with pressure gauges and valves in a utility room.

Heating Services

High-Efficiency Heating & Furnace Solutions


When the temperature drops in Melvindale, a functioning heating system isn't just a luxury—it’s a necessity. We specialize in the repair, installation, and optimization of gas furnaces, heat pumps, and boilers. Our technicians ensure your system operates at peak thermal efficiency, reducing your monthly energy costs while keeping your family safe from the cold.

A white circular ceiling air diffuser vent connected to a silver metal industrial duct.

Ventilation Services

Advanced Ventilation & Indoor Air Quality


Proper airflow is the secret to a healthy home. Our ventilation services focus on removing pollutants, managing humidity, and ensuring fresh air circulation. From Heat Recovery Ventilators (HRVs) to exhaust system ducting, we design solutions that eliminate stale air and allergens, creating a crisp, mountain-fresh indoor environment for your home or office.

A white wall-mounted air conditioner positioned above a set of white vertical blinds.

Air Conditioning Services

Precision Air Conditioning & Cooling


Beat the Michigan humidity with our expert AC services. We provide rapid-response repairs and precision installations of central air units and ductless mini-splits. Our team focuses on maximizing your system's SEER2 rating, ensuring that your home remains a sanctuary of cool air without the heavy burden of high electricity bills.

A stainless steel refrigerator stands in a dimly lit industrial storage room with metal shelving.

Refrigeration Services

Commercial Refrigeration & Cold Storage


For our business partners, temperature failure is not an option. Diversitech ENT. INC. provides expert service for walk-in coolers, reach-in freezers, and industrial ice machines. We understand the mechanics of thermodynamics and refrigerant cycles, providing 24/7 emergency support to ensure your perishable assets remain at the exact temperature required by health codes.

A gloved hand uses a gas leak detector to test the fittings on a yellow CSST gas line attached to a concrete wall.

Gas Line Services

Certified Gas Line Installation & Repair


Handling gas lines requires a level of precision that only a licensed professional can provide. We offer comprehensive gas line services for furnaces, water heaters, outdoor grills, and commercial appliances. From leak detection to new line builds, we adhere to the strictest safety codes to ensure your property is fueled safely and efficiently.

A technician installs refrigerant lines to the outdoor unit of a white air conditioning system.

Maintenance, Service and Replacement

Comprehensive System Lifecycle Care


Don't wait for a breakdown to call us. Our "Service First" philosophy focuses on preventative maintenance to catch minor issues before they become $1,000 repairs. When a system reaches the end of its life, we provide seamless replacement services, helping you select the latest energy-star-rated technology to modernize your property’s infrastructure.