AC Installation & Replacement — Sized Right, Installed Right
A new air conditioner is only as good as the installation behind it. NorTech Services performs full load calculations, installs SEER2-rated systems from all major manufacturers, and backs every installation with a 1-year labor warranty — so your new system runs efficiently from day one.
Request a Free QuoteEvery AC installation is backed by NorTech’s 1-year labor warranty. If any issue returns within 12 months, we come back and fix it.
15% Off Your First AC Installation
New customers save on any AC installation or replacement service. Mention the code when you call or enter it at checkout.
Professional AC Installation & Replacement Nationwide
Most homeowners don’t realize that a poorly sized or improperly installed AC system will underperform for its entire lifespan — regardless of the brand. An oversized unit short cycles, fails early, and leaves humidity problems behind. An undersized unit runs nonstop and never catches up on the hottest days in Houston, Phoenix, Las Vegas, or Orlando. NorTech Services starts every installation with a Manual J load calculation to determine the exact system capacity your home requires. We install matched systems from all major manufacturers, handle haul-away of the old equipment, and back every installation with a 1-year labor warranty on top of the manufacturer’s equipment coverage.
Signs It’s Time for a New AC System
Repairs can extend the life of an aging system — but there’s a point where continued investment in an old unit stops making financial sense. Here are the clearest signs a replacement is the smarter move.
System Is 15+ Years Old
Most central AC systems have a functional lifespan of 15 to 20 years. Beyond that, efficiency drops significantly and major components begin failing in sequence. A modern SEER2-rated replacement will cost less to operate every month.
Repair Costs Exceed Half the Replacement Price
When a single repair — especially a compressor replacement — costs more than 50% of a new system, the math favors replacement. You get a full manufacturer warranty and a more efficient unit for a similar investment.
System Uses R-22 Refrigerant
R-22 (Freon) was phased out of production in 2020. Recharging an R-22 system is extremely expensive and a temporary fix. Any system still running on R-22 is a strong replacement candidate.
Energy Bills Keep Climbing
An aging AC system loses efficiency each year. If your cooling costs have increased noticeably over the past two or three summers without a change in usage, the system is working harder than it should to deliver the same output.
Frequent Breakdowns
One repair per season is manageable. Two or three repairs in the same summer is a pattern — and a sign that multiple components are reaching end of life simultaneously.
Uneven Cooling or Humidity Problems
An older or improperly sized system often can’t maintain consistent temperatures room to room or manage indoor humidity. These are comfort and air quality issues that a properly sized new system resolves.
AC Installation & Replacement Services
Whether you’re replacing a failed system or upgrading an aging unit, NorTech handles the full scope of residential AC installation.
New AC Installation
Full system installation including equipment sourcing, load calculation, refrigerant line work, electrical connections, and thermostat setup.
We install matched systems — outdoor condenser and indoor air handler — ensuring the components are rated to work together for maximum efficiency and warranty compliance.
- Manual J load calculation
- Matched condenser & air handler installation
- Refrigerant line set installation
- Electrical disconnect & wiring
- Thermostat setup & calibration
- Full system startup test & commissioning
AC Replacement
Like-for-like replacement of an existing system with proper refrigerant recovery, haul-away, and full commissioning of the new equipment.
Replacing an existing system gives us the opportunity to evaluate your current ductwork, identify any efficiency losses, and recommend upgrades that improve the performance of the new unit.
- Refrigerant recovery from old unit (EPA compliant)
- Old equipment removal & haul-away
- Ductwork condition assessment
- New system installation & commissioning
- All work installed to current code standards
- Manufacturer warranty registration
Why Proper AC Sizing Matters More Than Brand
The most common installation mistake in the industry is oversizing — installing a system that’s larger than the home requires because it’s easier to upsell. An oversized unit cools too quickly, shuts off before completing a full cycle, and leaves the home humid and uncomfortable. NorTech performs a Manual J load calculation on every installation — accounting for all the variables that determine what your home actually needs.
Square Footage
The starting point — but only one of many factors. Ceiling height, floor plan layout, and room orientation all affect the real load.
Insulation & Windows
A well-insulated home with low-e windows needs significantly less cooling capacity than the same square footage with poor insulation and single-pane glass.
Climate Zone
Homes in Houston or Phoenix have very different peak cooling loads than homes in Denver or Charlotte — even at the same size.
Duct Condition
Leaky or undersized ductwork reduces effective system capacity. We assess duct condition as part of every installation evaluation.
Choosing the Right Efficiency Level
SEER2 ratings determine how efficiently a system uses electricity to cool your home. Higher ratings mean lower monthly operating costs — the right choice depends on your climate, usage patterns, and how long you plan to stay in the home.
Standard
14–16 SEER2
Meets federal minimum requirements. Best fit for moderate climates or shorter ownership horizons where the premium for higher efficiency won’t be recouped.
High Efficiency
17–20 SEER2
Meaningfully lower operating costs, especially in Sun Belt markets with long cooling seasons. Often qualifies for utility rebates. Best balance of upfront cost and long-term savings.
Premium
21+ SEER2
Variable-speed compressor technology with the lowest possible operating costs. Best for high-usage climates and long-term homeowners who want maximum comfort and efficiency.
All Major AC Brands Installed
NorTech installs systems from all major residential AC manufacturers and sources equipment through authorized distribution channels to ensure warranty validity.
How Much Does AC Installation Cost?
AC installation costs vary based on system size, efficiency rating, equipment brand, ductwork condition, and your location. NorTech provides a written upfront quote covering all equipment, labor, and haul-away before any work is scheduled. Use code NORTECH15 to save 15% on your first service.
In-Home Assessment
Load calculation, ductwork evaluation, and system recommendation — all before a quote is issued.
Equipment & Labor
Full installation quote includes condenser, air handler, line set, electrical, and all labor — no separate line item surprises.
Old Unit Haul-Away
Existing equipment removal and disposal are included in every installation quote. We leave the site clean.
Rebate Assistance
High-efficiency systems often qualify for utility rebates. We identify available programs and assist with paperwork.
What Homeowners Say About NorTech AC Installation
“Two other companies quoted me a 5-ton unit. NorTech ran a load calc and said my house only needed a 3.5-ton. Installed it, and it’s been the most comfortable summer we’ve had in this house. The difference is real.”
“Crew showed up on time, had the old unit out and the new Carrier system running by 3pm. They walked me through the thermostat, registered the warranty on the spot, and left the site clean. Exactly what I needed.”
“Solid install overall. They found some duct leaks during the assessment and fixed them before putting in the new unit — which I appreciated. Took about 7 hours but the result is noticeably better airflow.”
“My R-22 system finally gave out after 18 years. NorTech replaced it with a high-efficiency Trane. Energy bill dropped noticeably the first full month. Should have done this two summers ago.”
“Very straightforward process. They assessed, quoted, scheduled, and installed without any of the pressure tactics I got from other companies. The system has been quiet and efficient since day one.”
“Good experience. The install crew was professional and thorough. Took about 7 hours total but the result is excellent — system runs quietly and the house cools faster than it ever did with the old unit.”
AC Installation — Frequently Asked Questions
Answers to what homeowners ask most before scheduling an AC installation or replacement.
If your unit is under 10 years old and the repair cost is less than half the replacement cost, repair usually makes sense. Units over 15 years old, systems requiring compressor replacement, or units using R-22 refrigerant are strong replacement candidates. Our technicians give you an honest breakdown of both options.
Proper sizing requires a Manual J load calculation that accounts for your home’s square footage, insulation levels, window placement, ceiling height, climate zone, and duct condition. An oversized unit short cycles and fails early. An undersized unit runs constantly and never reaches temperature. NorTech performs a full load calculation before recommending any system.
A standard central AC replacement is typically completed in 4 to 8 hours. New construction or installations requiring ductwork modifications may take longer. Our crews arrive with the equipment staged and complete most residential installs in a single day.
SEER2 is the current federal efficiency rating standard for air conditioning systems. A higher SEER2 rating means lower operating costs. The current federal minimum is 14.3 SEER2 for most US regions. High-efficiency systems rated 18 SEER2 and above can significantly reduce monthly cooling costs, especially in Sun Belt climates with long cooling seasons.
Yes. Removal and haul-away of the existing equipment is included in every NorTech AC installation. We handle proper refrigerant recovery from the old unit before removal in compliance with EPA regulations.
AC installation costs depend on system size, efficiency rating, equipment brand, existing ductwork condition, and your location. NorTech provides a written upfront quote covering equipment, labor, and haul-away before any work is scheduled. Use code NORTECH15 for 15% off your first service.
In some cases, yes — but mismatched indoor and outdoor components reduce system efficiency and can void the manufacturer warranty. NorTech evaluates whether your existing air handler is compatible with a new condenser before recommending a partial replacement. A matched system always performs better and lasts longer.
Yes. Every AC installation performed by NorTech Services is backed by a 1-year labor warranty in addition to the manufacturer equipment warranty. If any installation-related issue arises within 12 months, we return and resolve it at no additional labor charge.
AC Installation Available Nationwide
NorTech installs AC systems across major metros nationwide. View our full service territory.
Ready for a New AC System? Let’s Get It Sized and Quoted.
Get a free in-home assessment and written installation quote from a certified NorTech technician. No pressure, no upselling — just the right system for your home. Use code NORTECH15 for 15% off.
