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Claim This BusinessAJ Heating & Cooling has served the Michiana region from its South Bend headquarters for nearly three decades. The company holds a 4.9 rating across 40 client reviews, reflecting consistent execution of residential heating and cooling projects. Owner AJ and his team focus specifically on furnace and air conditioner service, sales, and repair for homeowners throughout St. Joseph County and surrounding communities.
What distinguishes AJ Heating & Cooling is the combination of longevity and transparent business practices. The company manages the full lifecycle of residential climate systems, including water heater service that many HVAC contractors delegate to plumbers. Their 24-hour emergency line ensures residents never face a heating or cooling crisis without direct access to experienced technicians. Steve M. of Mishawaka has entrusted his system to AJ for twenty years, citing punctual arrivals and competitive estimates as consistent hallmarks.
Customer stories from recent reviews reveal the practical value of this approach. When Joshua Mullet called regarding a furnace issue, AJ explained all available options and recommended starting with the least expensive repair rather than pushing for a sale. Kasey Klein received a same-day visit that included a second opinion and temporary fixes until a full installation could be scheduled, all at a lower price than an initial competitor quote. Brian Zubkoff has maintained his business with AJ for twelve years specifically because the team recommends only necessary repairs and never inflates costs.
All forty reviewers award 5 stars, with multiple clients specifically praising same-day response during emergencies and transparent pricing that beats competitor estimates. Several homeowners note that AJ explains all repair options before recommending work, and not a single negative review appears in the available feedback.
Diagnostic services, component repairs, and preventive tune-ups for residential furnaces of all major brands.
AC repair, maintenance, and new system sales for residential cooling in Indiana's humid summers.
Service, sales, and repair of residential water heaters, covering both tank and tankless systems.
Round-the-clock emergency heating and cooling service for homeowners facing system failures.
Full furnace and air conditioning replacement, including equipment selection and professional installation.