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Claim This BusinessThe Heating and Air Conditioning Guy, LLC has built a reputation in Hillside and surrounding New Jersey communities over many years of continuous operation. Led by Mark, the company holds necessary credentials to serve residential clients across Union County and adjacent neighborhoods. The business maintains a 4.6-star average rating derived from ten recentclient reviews, indicating consistent service quality. Operating hours stretch from early morning through mid-afternoon on weekdays with reduced Saturday availability, allowing Mark and his team to accommodate both routine maintenance appointments and urgent service calls. The company serves Hillside directly and extends reach to nearby cities including Elizabeth, Plainfield, and Linden, providing responsive HVAC solutions to homeowners throughout the eastern New Jersey corridor.
What distinguishes this contractor is Mark's hands-on approach and commitment to clear communication throughout every project. The Gree ductless split system installation showcased in reviews represents one example of the company's expertise in modern multi-zone climate control, particularly valuable for older homes requiring flexible heating and cooling solutions without extensive ductwork. Customer testimonials consistently highlight Mark's competitive pricing alongside his technical knowledge, recommending the contractor for delivering quality workmanship at fair rates. The team's ability to diagnose problems accurately and complete repairs efficiently appears repeatedly in five-star reviews, suggesting strong diagnostic skills and honest assessments that help homeowners make informed decisions about equipment repair versus replacement.
Customer scenarios reveal specific capabilities worth noting. Robert Ramos described a same-day repair completed in under two hours after Mark accommodated a urgent request, demonstrating responsiveness during time-sensitive situations. Another reviewer, Arjuna Ugarow, detailed a five-zone Gree ductless system installation in a ninety-five-year-old home where Mark provided the most reasonable estimate among five competing contractors while offering superior communication throughout the project. The reviews identify Mark specifically as the primary technician and owner, with customers emphasizing his direct involvement in both diagnostic work and installation projects, providing homeowners confidence they work directly with an experienced professional rather than navigating through multiple service representatives.
Nine of ten reviewers award five stars, with customers frequently mentioning rapid same-day service, competitive pricing, and Mark's direct involvement in every project. The single one-star review cites non-responsive communication during a larger service job, representing the primary negative feedback amid otherwise strong satisfaction.
| Sunday | Closed |
| Monday | 7 AM–4:30 PM |
| Tuesday | 7 AM–4:30 PM |
| Wednesday | 7 AM–4:30 PM |
| ThursdayToday | 7 AM–4:30 PM |
| Friday | 7 AM–4:30 PM |
| Saturday | 7 AM–1 PM |
Diagnostic services and tune-ups for air conditioning systems, including repairs and seasonal maintenance appointments.
Furnace and heating equipment repair, maintenance, and installation services for residential properties.
Multi-zone ductless split system installation, including Gree brand systems for homes without traditional ductwork.
Equipment replacement services guiding homeowners through new system selection and professional installation.
Same-day urgent repair availability for HVAC system failures requiring immediate attention.
Assessment and solutions for improving residential air quality and system efficiency.