Our Services

HVAC Services in Denver

This page is the index of everything Lion Tech Home Services does in Denver — heating, cooling, ductwork, and indoor air — reached from one phone number, (720) 806-7634. Find the service that matches the problem, open its page for the detail, then call, day or night, and say what the system is doing.

Start with a callSay what the system is doing and get a straight answer

Plain explanationsThe fault and the options, explained before work starts

Checked before leavingThe system is run and checked at the end of the visit

Denver homesService shaped by Denver housing, old and new

What we do

Heating and Cooling Services in Denver

The cards below cover the full list, grouped by what the visit is for: fixing what stopped working, replacing what is past repair, and keeping a working system working. Each card names the service in a line or two; the linked page carries the detail.

Air Conditioning Repair Diagnosis and repair when a central air conditioner stops cooling, cycles on and off, or freezes up. For Denver homeowners whose AC quit during a hot stretch and who want the fault found before any part is changed. Explore → Air Conditioning Installation A new central air conditioner, sized to the house rather than to a rule of thumb. For homeowners replacing a failed unit or adding cooling to a home that never had it. Explore → Air Conditioning Maintenance Seasonal care for a central air conditioner before summer demand arrives. For homeowners who want the system checked over while it is still working. Explore → AC Tune-Up A focused check of the cooling side — electrical parts, thermostat, drainage, and airflow. For homeowners who want a once-a-year look at the AC before the July heat. Explore → Central Air Conditioning Services Care for whole-home split and packaged central air systems, including airflow and duct checks. For homes where some rooms cool and others do not. Explore → Ductless Mini-Split Installation Wall-mounted zoned cooling and heating for rooms and homes without ductwork. For additions, converted garages, and older Denver houses that never had ducts. Explore → Ductless Mini-Split Repair Diagnosis and repair for ductless heads that stopped heating, stopped cooling, or iced over. For homeowners with a zoned system that no longer holds temperature in one room. Explore → Furnace Repair Diagnosis and repair when a gas furnace blows cold air, will not start, or shuts down mid-cycle. For homeowners facing a cold house and a furnace that stopped doing its job. Explore → Furnace Installation A new furnace, sized for Denver's altitude and winter cold. For homeowners whose furnace is past repair or cannot keep the house warm. Explore → Furnace Maintenance Fall care for a gas furnace before heating season — cleaning, safety checks, and a filter change. For homeowners who want the furnace looked over before the first hard freeze. Explore → Heating System Repair Repair across the heating side — furnaces, boilers, and heat pumps. For homeowners who are not sure which part of the heating system has failed and want it traced to the fault. Explore → Heating System Installation A new heating system for a home or small commercial space, with the gas or refrigerant lines it needs. For properties replacing an old heater or fitting heat into a space that never had it. Explore → Heat Pump Installation A cold-climate heat pump that heats and cools from one outdoor unit. For homeowners who want one system for both seasons. Explore → Heat Pump Repair Diagnosis and repair for heat pumps with noise, defrost trouble, or a failed reversing valve. For homeowners whose heat pump stopped switching modes or stopped keeping up. Explore → Heat Pump Maintenance Twice-yearly care for a heat pump, covering both the heating and cooling seasons. For homeowners who run one system year-round and want both changeovers checked. Explore → Boiler Repair Diagnosis and repair for boilers that leak, lose pressure, or leave radiators cold. For homes with radiators or baseboard heat where the boiler is the whole heating system. Explore → Boiler Installation A new boiler for radiator and baseboard homes. For homeowners replacing an aging boiler or converting a home to hot-water heat. Explore → Boiler Maintenance Annual care for a boiler — flushing, safety-valve checks, and a look at the low-water cutoff. For radiator and baseboard homes heading into a Denver winter. Explore → Emergency HVAC Services Help when heating or cooling fails at an hour when waiting is not an option. For no-heat nights below freezing and no-cooling days during a heat wave — call (720) 806-7634. Explore → 24-Hour HVAC Repair Repair calls taken around the clock, every day of the week. For homeowners whose system failed outside ordinary business hours and who want to talk to someone now. Explore → Commercial HVAC Services Heating and cooling work for Denver restaurants, offices, and retail spaces. For business owners who need the work fitted around opening hours. Explore → Residential HVAC Services Heating and cooling work for Denver homes, from a single repair to a full replacement. For homeowners who want one number to call for the whole system. Explore → HVAC Maintenance Plans Scheduled visits through the year — a cooling check before summer and a heating check before winter. For homeowners who would rather book the checks in advance than remember them. Explore → Preventive HVAC Maintenance Regular checks aimed at catching small faults before they become breakdowns. For homeowners who want a record of how their system is holding up over time. Explore → Indoor Air Quality Services Filtration, humidification, and UV options for the air inside a Denver home. For households dealing with dry air, dust, pollen, or wildfire smoke indoors. Explore → Air Duct Cleaning Removal of built-up dust and debris from inside ductwork. For homes where the ducts have not been cleaned and the air coming from the registers carries dust with it. Explore → Duct Sealing Sealing the joints and gaps where conditioned air escapes from ductwork. For homes where some rooms never reach temperature and the ducts run through an attic or crawlspace. Explore → Duct Repair Repair of crushed, disconnected, or damaged duct runs. For homes where a section of duct has come apart and one or more rooms have lost airflow. Explore → Duct Installation New ductwork for additions, remodels, and homes adding central air for the first time. For projects where the house needs a duct layout designed from scratch. Explore →

From call to complete

How Our Denver HVAC Service Works

Call (720) 806-7634 and describe what the system is doing and when it started. Lion Tech Home Services is open 24 hours, 7 days a week.

Lion Tech Home Services examines the system in place and traces the symptom to its cause, then explains the finding in plain language before any work starts.

The repair is completed where it can be, or a replacement is sized to the home — agreed with you before the work begins.

The system is run and checked, the readings are shown to you, and the work area is left tidy.

HVAC Services Denver — Lion Tech Home Services

STEP 01Call Us

Call (720) 806-7634 and describe what the system is doing and when it started. Lion Tech Home Services is open 24 hours, 7 days a week.

Our standard

Why Denver Homeowners Call Lion Tech

A directory page still has to say how the work on it is handled. Three things shape every job listed above.

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Prompt Scheduling by Phone

Visits are arranged by phone at (720) 806-7634. Describe the symptom, and Lion Tech Home Services will talk through the visit with you.

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Straight Talk, No Pressure

The finding and the options are explained before work starts. A repair stays a repair when a repair will do, and the decision stays with the homeowner.

Stocked Trucks, Fewer Return Trips

Common parts are carried on the job, so a second trip just for a part is the exception rather than the plan.

Common questions about HVAC in Denver — repair costs, choosing a contractor, altitude, and emergency calls — are answered in the FAQ on the homepage. If yours is not there, call (720) 806-7634.

Ready when you are

Need HVAC Denver CO Service Today?

Heating or cooling trouble in a Denver home? Lion Tech Home Services takes calls at (720) 806-7634, day or night.

Call (720) 806-7634 →

Call us

Contact Lion Tech Home Services

Every service on this page starts the same way — a phone call to (720) 806-7634. Lion Tech Home Services is open 24 hours, 7 days a week.

Call anytime(720) 806-7634

Visit7575 E 29th Pl #4052, Denver, CO 80238

Office hoursOpen 24 hours · 7 days a week