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In homes across Carlsbad, a chilly winter night or a sweltering summer day can quickly turn uncomfortable. At Tim Brennan’s HVAC Services, we unde…
The Best HVAC Company in Carlsbad
Compare top-rated hvac providers in Carlsbad. Profiles include verified reviews, service details, and direct contact options.
Service providers
From $50
Up to $500
Closed until Tue, 8:00 AM
At HVAC Mechanalysis in Carlsbad, we deliver exceptional HVAC solutions tailored for your home. As a dedicated mechanical contractor, we specializ…
Coastal Efficient HVAC Carlsbad
Open today
From $50
Up to $500
Open 24/7
At Coastal Efficient HVAC Carlsbad, we specialize in delivering top-tier HVAC services tailored to your specific needs. Our expertise lies in prov…
From $50
Up to $500
Closed until Tue, 8:00 AM
In the heart of Carlsbad, we are John Air Duct Cleaning & HVAC - your trusted partners in comprehensive home comfort solutions. Specializing in HV…
From $50
Up to $500
Closed until Tue, 5:00 AM
At Mr Chimney Cleaning in Carlsbad, we're dedicated professionals delivering unparalleled chimney sweep services. Our expertise lies in maintainin…
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Up to $500
Closed until Tue, 7:30 AM
In the heart of Carlsbad, we are Surfside Heating & Air Conditioning - your dedicated HVAC specialists. We pride ourselves on delivering exception…
Fresh Vent AC Services
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From $50
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At Fresh Vent AC Services in Carlsbad, we specialize in HVAC services, bringing comfort and efficiency to your home. We're not just an HVAC contra…
From $50
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Closed until Tue, 8:00 AM
At Coastal Refrigeration Heating and Air Conditioning in Carlsbad, we're dedicated to delivering exceptional comfort to your home. As HVAC special…
From $50
Up to $500
Closed until Tue, 8:00 AM
At Unity HVAC & Airduct Cleaning in Carlsbad, we understand the importance of a comfortable and breathable home environment. We are your reliable …
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Up to $500
Closed until Tue, 7:00 AM
In the heart of Carlsbad, California, we are Coastal Comfort San Diego - your reliable partner in all things HVAC. We pride ourselves on deliverin…
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Four Rules How to Choose the Right Contractor
Hiring an HVAC professional is a decision about your budget, your comfort, and sometimes your safety — so it deserves more than an impulse phone call. This is the short version of how we'd approach it, and the exact criteria embedded in every GigoPro profile.
Start with ratings and recent reviews
Ratings tell you the average; recent reviews tell you the truth about right now. Read the last handful of reviews for a company, not just the stars. A contractor who fixes the reported problem, explains what was done, and leaves the site clean is the one you can trust with a multi-thousand-dollar decision.
Compare services, service area, and response time
Confirm the company actually performs your specific job — a residential AC repair shop is not automatically a commercial rooftop specialist, and vice versa. Check that your address is inside its service area, and look for stated response times if your situation is urgent.
Get at least two written estimates
Reputable pros will inspect, then give a written, itemized estimate — clearly stating labor, parts, and any permit costs. Price differences between honest quotes reflect equipment brands, warranty terms, and installation quality, so never choose on the bottom line alone. Ask what each quote includes and what it excludes.
Verify credentials for your trade
Licensing and insurance requirements differ from state to state and shift over time. In regulated jurisdictions, ask for the company's license number and proof of insurance before work begins — never after. Professional companies expect these questions and answer them without hesitation.
Questions to ask before booking
- How long have you been working in my area, and are you licensed and insured for this job?
- Will I receive a written, itemized estimate before any work starts?
- Do you guarantee parts and labor, and for how long?
- How is emergency or after-hours service charged?
- How long will the job take, and who do I contact during the work?
- Can you share a reference from a similar job in the last six months?
Red flags to walk away from
- Vague pricing that changes once work begins, or pressure to sign today.
- Refusal to put the estimate in writing.
- A "free" check-up that always concludes with a full-system replacement.
- Requests for full payment upfront before any work is performed.
Your One-Stop Hub for HVAC Services Across the Country
Whether your air conditioner stopped on the hottest day of the year, your furnace is cycling on and off in January, or you are planning a full system replacement for your home or business — this page is your starting point. GigoPro's hub gathers verified heating, ventilation, and air conditioning contractors from cities across the United States in one place, so you can stop calling around and start comparing on facts.
Every company you find here lists what it actually does: air conditioning repair and installation, furnaces and heat pumps, ductwork and ventilation, indoor air quality, commercial HVAC maintenance, and emergency call-outs. Each profile shows the services offered, the area the company serves, recent customer reviews with ratings, and contact details — so you can shortlist three or four pros, request written estimates, and book the one that fits you best.
Quality on Gigo is not self-declared. Before any business appears in search results, we moderate the profile: we verify that the company is real, actively operating, and actually operates in the category it claims; for regulated trades, we verify proper credentials. Listings that stop being active are hidden automatically. That is what "verified near you" should mean, and it is why tens of thousands of homeowners 100 000 start their search here every month.
Pick your city below to see local providers, ratings, and current availability — or read on to learn about the services, get a simple contractor-hiring checklist, and find out what to expect before you book.
Services You Can Find on Gigo
The contractors in this directory cover every part of that equation, from a quick fix to a full replacement. Here is what each type of service involves, and when you are likely to need it.
Air Conditioning Repair & Installation
Central AC repair covers everything from a tripped breaker and a refrigerant leak to a failing compressor or a blower motor that needs replacing. If your system is older than 12–15 years [verify & localize], or repairs keep adding up, a new installation — including ducted central systems and ductless mini-splits — can be the smarter long-term call. Companies listed here service AC units of every age and brand, so a technician visit starts with a proper diagnosis, not a sales pitch.
Heating & Furnace Services
Furnaces, boilers, and space heaters keep your home livable through winter. Typical jobs: no-heat emergencies, noisy operation, pilot and ignition problems, carbon-monoxide safety checks, and full furnace replacement. Annual pre-winter maintenance is the cheapest insurance you can buy against a breakdown in freezing weather. If your heat stops working, prioritize companies that list emergency or same-day response in their profile.
Heat Pumps
Heat pumps heat and cool from the same efficient unit — air-source systems are the most common, with ground-source (geothermal) options for larger projects. Contractors in this category install, repair, and replace heat pumps, size them correctly for your home, and handle the ductwork modifications that a switch from a furnace often requires. If you are replacing an aging system, a heat pump conversion is worth having with two or three licensed pros before you decide.
Ductwork & Ventilation
Your ducts carry every degree of comfort to every room. Duct cleaning removes dust and debris that builds up over years; duct sealing stops the leaks that let conditioned air escape into attics and crawl spaces; and duct repair or replacement fixes crushed, disconnected, or rodent-damaged runs. If rooms in your house never quite reach the set temperature, airflow problems are often the culprit — worth checking before you blame the system itself.
Indoor Air Quality
Modern HVAC work goes beyond temperature. Air purifiers, whole-home filtration, humidifiers and dehumidifiers, ventilation and fresh-air systems, and UV treatments all change what you breathe. Companies offering indoor air quality services can test and improve air in homes with allergies, asthma, new paint or renovation dust, or simply poor circulation.
Commercial & Multi-Unit HVAC
Offices, restaurants, retail spaces, and apartment buildings have very different needs than homes — rooftop units, package systems, and scheduled maintenance contracts that keep tenants comfortable and equipment warranties valid. The directory includes commercial HVAC contractors who can respond quickly when a business space loses heat or cooling, and who will quote preventative maintenance to avoid the midnight call-out later.
Maintenance & Seasonal Tune-Ups
A spring tune-up before cooling season and a fall check-up before heating season catch small problems while they are still cheap to fix. Maintenance typically covers filter replacement, cleaning coils and burners, checking refrigerant charge, testing safety controls, and confirming airflow. Many companies publish maintenance plans in their profiles — compare what is included (and what an emergency visit costs) before you commit.
24/7 Emergency Service
Systems break on weekends and holidays. Emergency-ready contractors keep after-hours teams for exactly the no-heat, no-cool, or gas-odor situations that can't wait until Monday. Check a company's profile for stated emergency availability and response policy before needing it — that is far easier than cold-calling on a Christmas morning.
Find Pros in Your City
GigoPro lists providers in 10171 cities across all 50 states. Each city page shows local air conditioning, heating, and ventilation companies with their ratings, recent reviews, service areas, and contact details — so you see exactly who operates near you before you call. Listings are moderated at signup and reviewed continuously; businesses that stop operating are removed, and new cities are added regularly.
Verified HVAC in Carlsbad, CA
We show only active businesses that pass moderation. Results are specific to Carlsbad and nearby service areas, and inactive profiles are removed to keep the list current.
Real reviews for hvac
Ratings and reviews come from customers who used the service. Compare hvac pros in Carlsbad by experience, responsiveness, and value before you reach out.
Local-first search in Carlsbad
Filter by neighborhood, check locations on the map, and find providers close to home or work in Carlsbad. Listings are refreshed regularly — August 2026.
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HVAC by city
Find verified hvac providers in cities across the United States. Each city page lists active businesses with reviews, contact details, and current offers. Showing the most active cities — type a city name in the filter to jump elsewhere.
What Carlsbad customers say about local pros
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from the first phone call, this chimney sweep company made everything easy. they scheduled my appointment quickly and arrived right on time. the chimney cleaning and inspection was done fast and they kept everything super clean. i'll definitely use their chimney services every year. oh, and kyle, the technician who came out, was both friendly and professional. if you're in carlsbad and need your chimney taken care of, i highly recommend them.
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I needed quite a bit of chimney work, including re-lining two chimneys, repairing the firebox, tuck-pointing, and getting a new chimney cap installed. Maximus came out to give me an estimate. Once I decided to go ahead, he came back with Dustin to handle the job. They showed up right on time each day, were very friendly, and actually finished a bit sooner than expected. I really liked how they explained what they were doing step by step, so I always knew what was going on. Great job!
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Kyle was very professional, friendly, and knowledgeable when he came to sweep our chimney. After finishing the inspection, he explained everything he found and gave us some useful tips to keep our fireplace in great shape. He answered all our questions and made us feel at ease throughout the process. Booking the appointment with Mr Chimney Cleaning was easy and the customer service was excellent.
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my wife and i recently moved into a home with a fireplace, so we had lots of questions when the team came out to clean our chimney. stanley was very friendly and took the time to answer all our beginner questions about fireplace care and chimney safety. the whole process was smooth, and we really appreciated how thorough and knowledgeable they were. we’re looking forward to using their chimney sweep services again in the future!
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stanley was fantastic. our fireplace and chimney look spotless, and he pointed out some safety concerns that should be fixed soon. he also gave helpful advice and estimates for cleaning our dryer vent and a few other things around the house. scheduling was simple and quick, which made everything really convenient. nothing but good things to say about mr chimney cleaning—definitely recommend if you need a chimney sweep in carlsbad.
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responded to my estimate request fast, and gave the best price i could find. kyle showed up on time and fixed the broken panel in my gas fireplace in about an hour. very friendly, professional, and polite. would definitely use this chimney sweep service again.
