When your air conditioning system fails during a sweltering Newton, NJ summer day, every minute without cooling feels like an eternity. At Smith's Heating & Cooling LLC, we understand that AC breakdowns don't wait for convenient times – that's why we offer true 24/7 emergency repair service throughout Sussex County. With 25+ years of experience and our fleet of fully-stocked service vehicles, we're prepared to diagnose and repair any cooling problem quickly and correctly the first time.
Is your AC struggling to keep you cool? Don't suffer through the heat – our certified technicians are standing by 24/7. Our Master HVACR License #19HC00402000 ensures professional repair service that gets your cooling restored quickly and safely.
We have three generations of HVAC expertise serving Sussex County.
We provide round-the-clock response when your comfort can't wait.
We’re proud to be recognized for excellence in heating and cooling services.
Expert installation and service for oil furnaces, boilers, and tank installations.
We’re your pros, from traditional systems to cutting-edge mini-splits.
We hold a Master HVACR license, and are licensed for Home Improvements.
When our technicians arrive at your Newton, NJ home for AC repair, we begin with a thorough diagnostic evaluation that goes far beyond simply identifying the obvious problem.
Using advanced diagnostic tools including digital manifolds, thermal imaging cameras, and electrical meters, we perform a complete system analysis to uncover both the immediate issue and any underlying problems that might cause future failures.
Our diagnostic process examines every component systematically. We check refrigerant pressures and temperatures, measure superheat and subcooling, test electrical components, inspect air flow, and evaluate thermostat operation. This comprehensive approach ensures we identify not just what failed, but why it failed.
We measure temperature differentials across evaporator coils, verify proper superheat and subcooling values, and use thermal imaging to identify hot spots or air leaks that affect system performance.
Complete electrical analysis including voltage, amperage, and resistance testing of all components. We check capacitors, contactors, motors, and control boards to identify failing components before they cause system shutdown.
Using electronic leak detectors and pressure testing, we identify refrigerant leaks and verify proper system charge. We also check for contamination and moisture that can damage expensive components.
Once we've identified the problem and you've approved the repair, our technicians work efficiently to restore your cooling as quickly as possible. Our service vehicles carry extensive parts inventory, allowing us to complete most repairs in a single visit without time-consuming parts runs.
The quality of our repair work reflects our decades of experience and commitment to excellence. Every electrical connection is properly torqued and secured, all refrigerant work follows EPA regulations precisely, and replacement parts meet or exceed OEM specifications. We don't believe in band-aid fixes that fail weeks later.
Air conditioning systems involve high voltage electricity and pressurized refrigerants. Our technicians follow strict safety protocols and use proper protective equipment to ensure safe repairs for your family and our team.
We stock capacitors, contactors, fan motors, control boards, and refrigerant for most systems. All replacement parts meet or exceed original equipment specifications, and we often upgrade to heavy-duty versions for longer life.
After completing repairs, we thoroughly test your system including complete cooling cycles, temperature differentials, safety controls, and system operation monitoring. We don't consider the job complete until everything runs properly.
From refrigerant leaks to electrical failures, our experienced technicians diagnose and repair all types of AC problems quickly and effectively.
Refrigerant leaks are among the most common AC problems in Newton, NJ. Simply adding refrigerant without finding and fixing the leak is a temporary fix that wastes money. Our EPA-certified technicians use electronic leak detectors and pressure testing to locate even the smallest leaks and provide lasting repairs.
Capacitors, contactors, and control boards commonly fail during Sussex County's hot summers. We stock these components for immediate replacement and investigate why failures occurred to prevent repeat problems. Our electrical expertise ensures safe, lasting repairs.
Not every compressor problem requires replacement. Many issues are caused by electrical problems, refrigerant issues, or overheating. Our diagnostic process identifies the root cause, potentially saving thousands in unnecessary compressor replacement costs.
AC freezing typically indicates airflow restrictions, low refrigerant, or mechanical problems. Continuing to run a frozen system can damage the compressor. We identify and fix the underlying cause to prevent recurring freeze-ups and protect expensive components.
Air conditioning emergencies in Newton, NJ often occur during the most extreme weather conditions when systems are working hardest. Our 24/7 emergency service ensures you're never left suffering in dangerous heat.
We prioritize emergency calls based on severity, with elderly residents, families with young children, and those with medical conditions receiving fastest response. Our dispatchers provide temporary cooling advice while you wait.
Our emergency response team carries extensive parts inventory to resolve most problems immediately. Most emergency calls receive on-site response within 60-90 minutes, with GPS tracking providing accurate arrival estimates.
Our service vehicles carry capacitors, contactors, fan motors, control boards, and refrigerant for various system types. This preparedness means we can often restore your cooling in a single visit, even during emergencies.
With over 25 years serving Sussex County and three generations of family HVAC expertise, our technicians bring unmatched experience to every repair.
When we say 24/7 emergency service, we mean it. Unlike companies that route after-hours calls to answering services, Smith's Heating & Cooling maintains on-call technicians ready to respond immediately to your AC emergency.
Our technicians hold multiple certifications including EPA Universal, NATE certification, and manufacturer-specific credentials. As authorized Armstrong dealers and certified Mitsubishi Electric Diamond Contractors, we receive ongoing factory training.
We service all major AC brands including Armstrong, Mitsubishi Electric, Carrier, Trane, Lennox, Rheem, Goodman, York, and more. Our broad expertise means we can service whatever system you have, regardless of who installed it.
One of the most valuable services we provide is honest guidance about when AC repair makes sense versus when replacement is the better investment.
The best AC repair is the one you never need. Our comprehensive maintenance programs identify and address small issues before they become expensive emergencies. Regular maintenance can prevent up to 95% of AC breakdowns.
Our Maintenance Agreements provide priority emergency response, repair discounts, and no overtime charges.
View Maintenance Plans
Diamond Contractors represent the top 5% of Mitsubishi Electric installers nationwide. We've earned this distinction through:
Don't trust your Mitsubishi Electric system to just anyone. Choose certified excellence.
Our Mitsubishi Electric Products
From our home base in Newton, NJ, Smith's Heating & Cooling proudly serves communities throughout Sussex County and Northern New Jersey with prompt, professional HVAC services:
No matter where you're located in our service area, our 24/7 emergency response ensures you're never left without heating or cooling when you need it most.
See All Service AreasAC repair costs vary based on the problem's nature and complexity. Simple repairs like capacitor replacement are usually lower cost, component repairs such as fan motors fall into a mid-range, and major repairs like compressor replacement represent a significant investment. We provide clear, upfront pricing before beginning any work.
Our maintenance agreement members receive emergency service with no overtime charges – a valuable benefit that often pays for the entire annual agreement. Non-members do pay higher rates for after-hours service, but we keep these charges reasonable and always discuss pricing before beginning work.
Consider replacement if your system is over 12-15 years old, repair costs exceed 50% of replacement cost, you're facing frequent breakdowns, energy bills are increasing despite maintenance, or your system uses obsolete R-22 refrigerant. We provide honest assessments based on industry guidelines.
Common warning signs include inadequate cooling despite running constantly, unusual noises like grinding or squealing, water leaks around the indoor unit, ice formation on refrigerant lines, frequent cycling on and off, unusually high electric bills, and musty odors from vents.
Yes, we can repair R-22 systems, though refrigerant costs have increased significantly since production ceased. We maintain R-22 inventory for repairs, but for major leaks or component failures, replacement with a new R-410A system often makes more economic sense.
Our typical emergency response time is 60-90 minutes within our Newton service area, though extreme weather or multiple simultaneous emergencies can affect timing. We maintain on-call technicians 24/7 with fully-stocked vehicles for immediate repairs.
All repairs include a one-year parts and labor warranty, giving you peace of mind that problems won't recur. If the same issue returns within the warranty period, we'll fix it at no charge. Our maintenance agreement members receive extended warranty coverage on repairs.
AC freezing typically indicates airflow restrictions (dirty filter, blocked vents), low refrigerant from leaks, or mechanical problems like failed blower motors. Turn off cooling but leave the fan running to thaw ice, then call us at 973-300-9296.
Absolutely! Our extensive experience and advanced diagnostic capabilities often allow us to solve problems that stumped others. We've built our reputation on tackling challenging repairs that other companies walked away from.
We service all major brands including Armstrong, Mitsubishi Electric, Carrier, Trane, Lennox, Rheem, Goodman, York, and more. Our technicians receive ongoing training on various manufacturers' equipment, and we maintain parts inventory for common repairs across all brands.
We strongly discourage DIY AC repairs for safety and practical reasons. Air conditioners involve high-voltage electricity, pressurized refrigerants, and complex controls that require professional expertise. Attempted DIY repairs often cause additional damage and create safety hazards.
Yes! We offer flexible financing through Service Finance and Synchrony for both repairs and replacements. Many customers qualify for same-day approval with terms ranging from 6 months to 12 years. Financing helps manage unexpected repair costs without depleting emergency savings.
Regular maintenance is the best prevention. Change filters monthly during cooling season, keep outdoor units clear of debris, ensure vents aren't blocked, schedule annual professional maintenance, and address minor issues before they become major problems.
Our diagnostic fee covers complete system evaluation, problem identification, and detailed repair recommendations with upfront pricing. If you approve repairs, the diagnostic fee is typically waived. This ensures thorough, professional diagnostics rather than quick guesses.
Yes, we're experienced with modern smart thermostats and WiFi-enabled systems. Whether you have a Honeywell WiFi thermostat, Nest, Ecobee, or manufacturer-specific communicating controls, our technicians can diagnose and resolve issues.
Don't let AC problems disrupt your comfort any longer. Smith's Heating & Cooling LLC has been Sussex County's trusted AC repair expert since 2003, building our reputation on honest service, technical excellence, and genuine care for our customers' comfort.
Our Master HVACR License #19HC00402000 and recognition as 2025 Best of Sussex County award winners demonstrate our commitment to being the best at what we do. When you call us for AC repair, you're getting more than just technical service – you're getting a partner invested in your long-term comfort and satisfaction.
License #19HC00402000
Award-winning service
True round-the-clock response
Options for every budget
Standing behind our work
© Red Barn Media Group 2026
