✓ Open 24 hours, 7 days a week✓ Licensed & insured technicians✓ Flat-rate pricing — no overtime fees
24/7 Dispatch(866) 548-3173
Call NowFree quote
Extended Coverage Zone

HVAC Repair in Union, MO63084

Arctic Air Heating & Cooling dispatches licensed, insured heating and air conditioning technicians toUnion and the 63084 ZIP code 24 hours a day, 7 days a week. Target response time in this service zone: 2-4 hours.

4Local Techs
2-4 hoursTarget Response
483Jobs Completed
4.8★250 Reviews

We treat 63084 as a dedicated service zone. Hot humid summers and cold winters, with spring storms producing a spike in surge-related component failures. Because the equipment here works hard for a long season, we lean heavily on catch-it-early diagnostics rather than emergency replacements.

Available Now — 24/7

Talk to a live dispatcher in Union

Serving 63084 and Franklin County — no phone trees, no callback waiting.

  • 2-4 hours target response time in this service zone
  • Written diagnostic report with photos of what we found
  • We repair what can be repaired — no forced replacement upsell
  • Workmanship warranty on every job we complete
(866) 548-3173Tap to call — free quote, no obligation

★★★★★4.8 average · 250 verified reviews

  • Licensed & Insured Technicians
  • Background-Checked Crews
  • Upfront Flat-Rate Pricing
  • Same-Day & Next-Day Service
  • No Overtime Charges
  • All Work Warrantied

The Union63084 calls we answer most often

If your system is doing any of the following, it is worth a diagnostic before the fault gets more expensive.

Furnace lights then shuts down after a few seconds

Dead or bulging run capacitor on the condenser

Loud banging on start-up (compressor slugging)

One or two rooms that never reach the set temperature

Musty or burnt smell the first time the system runs

Refrigerant leak at a flare or coil connection

Describe your problem — (866) 548-3173

Heating and air conditioning service built around Union

Hot humid summers and cold winters, with spring storms producing a spike in surge-related component failures. Across the 63084 area that translates into a steady stream of failed capacitors, clogged filters, dying blower motors and refrigerant leaks — most of which we can diagnose and repair in one visit.

Because Missouri swings between seasons quickly, a lot of our Union calls come in the first hot or cold snap of the year — systems that sat idle for months and then get asked to run flat out.

Local equipment profile:Missouri homes are most often served by gas furnaces with high-capacity central air. Hot humid summers and cold winters, with spring storms producing a spike in surge-related component failures.

If your system is over ten years old and you have had two repairs in the last two seasons, a replacement comparison is usually worth running even if the current unit still runs.

Typical Union service pricing

ServiceTypical Range
Diagnostic / service call$70 – $140
Capacitor replacement$167 – $391
Contactor replacement$177 – $419
Refrigerant leak repair + recharge$298 – $837
Blower motor replacement$419 – $884
Compressor replacement$1,302 – $2,697
Hot surface igniter / flame sensor$149 – $372
Furnace control board$353 – $791
Condensate drain / float switch$121 – $316
Thermostat install (wired or smart)$140 – $419
Duct cleaning (whole home)$353 – $837
Full system replacement (installed)$5,580 – $12,090

Market ranges reported for Union, MO and the wider South-Central region. Your flat-rate quote is confirmed on site before any work begins.

Services available in 63084

Residential and light commercial, all major brands, all hours.

Air Conditioning Repair in Union

Diagnosis and repair for central air conditioners, heat pumps in cooling mode, ductless mini-splits and packaged rooftop units.

Furnace Repair in Union

Gas, propane, oil and electric furnace troubleshooting and repair.

HVAC Installation & Replacement in Union

Full system replacement and new construction installs with a Manual J load calculation so the equipment is actually sized for your home.

Heat Pump Repair & Service in Union

Heat pump diagnosis and repair for both heating and cooling operation, including cold-climate units, defrost board failures, reversing valve problems, auxiliary heat strip faults and refrigerant charge issues.

24/7 Emergency HVAC Repair in Union

Around-the-clock response for no-heat in freezing weather, total AC failure during a heat wave, gas smells, carbon monoxide alarms, water flooding from the indoor unit and complete system shutdowns.

Air Duct Cleaning & Sealing in Union

Whole-home duct cleaning and aeroseal-style duct sealing to recover lost airflow, reduce dust and lower the load on your equipment.

HVAC Maintenance & Tune-Up in Union

Seasonal precision tune-ups that catch failing components before they strand you.

Commercial HVAC Service in Union

Service for light commercial and commercial properties including rooftop packaged units, VRF and VRV systems, split systems, make-up air units and building automation controls.

What happens when you call

No forms, no waiting for a callback window. One phone call starts the whole process.

  1. Step 1: Call the dispatch lineYou reach a live dispatcher, not a recording. They confirm your address, the symptom you are seeing and how urgent it is.
  2. Step 2: Get matched to the nearest licensed techDispatch routes your job to the closest available licensed technician who already carries the common parts for your equipment.
  3. Step 3: On-site diagnosis with a flat quoteThe tech tests the system, shows you what failed and gives you a written flat-rate price before any work starts.
  4. Step 4: Approved repair, same visit when possibleMost repairs are finished on the first visit. If a part has to be ordered you get a firm return window, not a maybe.

Servicing Union and Franklin County

Our 63084 coverage zone centres on Union and extends to the surrounding communities listed below. Every technician dispatched into this area is licensed, insured and background-checked, and every job carries a workmanship warranty.

What Union homeowners say

“They found a cracked heat exchanger that our previous company missed for two years. That alone was worth the call.”

— Sandra B., verified Union customer

“AC died during a heat advisory. Dispatch was honest that it would be a few hours, then called me the moment a slot opened.”

— Angela W., verified Union customer

Read more Arctic Air customer reviews →

Union63084 HVAC questions, answered

What does a new system cost in Union?

A complete residential replacement in the 63084 area generally lands between $6,000 and $13,000 installed, depending on capacity, efficiency rating and how much ductwork has to be modified. We always perform a Manual J load calculation first, because an oversized unit costs more to buy and runs worse than a correctly sized one.

Do you handle ductless mini-split systems?

Yes. Ductless installations have grown quickly in Missouri, particularly in older homes without existing ductwork. We service indoor heads, clean filters and drain lines, check line-set insulation and diagnose communication faults between heads and the outdoor unit.

How often should I change my filter in 63084?

Monthly inspection and replacement every 60 to 90 days is the baseline. Homes in Union with pets, ongoing construction nearby, or a high-MERV filter in an undersized return should move to monthly changes. A loaded filter is the single most common cause of frozen coils and failed blower motors.

How much does an HVAC service call cost in 63084?

A diagnostic visit in Union typically runs $75 to $150, and that fee is usually applied toward the repair if you approve the work. Repair prices are quoted as a flat rate before we start, so the number you approve is the number you pay regardless of how long the job takes.

How quickly can a technician get to Union?

For the 63084 service area our target response time is 2-4 hours from the moment dispatch confirms your address. Real-world timing depends on the day — the first sustained heat or cold snap of the season is always our busiest period — but we hold technicians locally specifically so that window is achievable rather than aspirational.

Are your technicians licensed and insured?

Every technician dispatched into Union is licensed, insured and background-checked. We can provide proof of insurance on request before the visit if you would like it on file.

Need HVAC help in Union 63084?

Emergencies do not keep business hours and neither do we. (866) 548-3173 is answered 24 hours a day, including weekends and holidays.

(866) 548-3173Answered 24 hours a day, 365 days a year
Call (866) 548-3173