Expert HVAC & Construction Services for Your Home & Business
Veteran-owned Nautical Mechanical LLC has kept Newcastle, Oklahoma comfortable since 2018. We service and install all brands of air conditioners, heat pumps, mini-splits, and generators — 7 days a week with 24/7 priority emergency dispatch.
Call now · Fast response, 7 days a week
Top-Notch HVAC Services
Skilled work on every brand and every system — residential to commercial.
100% Satisfaction Guaranteed
We stand behind every repair and installation we complete.
Open 7 Days a Week
Daily availability with 24/7 priority emergency dispatch.
Trusted to service & install all major brands
Complete Heating, Cooling & Mechanical Services
From emergency AC repair to commercial mechanical construction — one trusted, veteran-owned team for it all.
Air Conditioning
Cooling diagnostics, rapid repair & full system replacement for your home or business.
- Emergency AC repair
- All brands of air conditioners serviced & installed
- Ductless mini-split system installation & service
- High SEER energy-efficient installations
- Compressor & coil diagnostics
- Ductwork inspection & airflow balancing
Heating & Furnaces
Gas furnace tune-ups, heat pump service & replacements to keep you warm all winter.
- All brands of heat pumps serviced & installed
- Gas furnace repairs & heat exchangers
- Dual-fuel & heat pump conversions
- Safety carbon monoxide inspections
- Pilot light & ignition restoration
- Seasonal heating tune-ups
Maintenance & Construction
Preventive maintenance, commercial HVAC & mechanical builds built to last.
- Seasonal multi-point HVAC tune-ups
- Standby generator installation & maintenance
- Commercial mechanical & duct construction
- Refrigerant charge & electrical testing
- Priority member service discounts
- Construction & build-out mechanical systems
Not sure what you need? We'll help you figure it out — at no cost.
Veteran-Owned. Licensed. Trusted Since 2018.
“We built Nautical Mechanical on the values we learned in service — integrity, accountability, and doing the job right the first time. Every home and business we work on gets our full commitment.”
Based in Newcastle, Oklahoma, Nautical Mechanical LLC is a veteran-owned and operated HVAC and mechanical contractor serving the Oklahoma City metro and surrounding communities. We're open 7 days a week with 24/7 priority emergency dispatch, and we service and install all brands of air conditioners, heat pumps, mini-splits, and generators.
Our Work in Heating & Cooling Solutions
A look at recent installs, repairs, and builds across the Newcastle & OKC area.
Commercial MechanicalCommercial Rooftop HVAC Package Unit
Daikin commercial package unit installation and curbside duct tie-in on a low-slope commercial roof, complete with seismic/wind tie-downs and rigid conduit electrical runs.
Multi-Family / Multi-ZoneMulti-Zone Ductless Mini-Split Condenser Array
Clean exterior brick-mounted array of Haier and Daikin high-efficiency mini-split inverter condensers with professional line-hide covers and disconnect panels.
Residential & Shop Heating/CoolingDuctless Mini-Split Heat Pump Exterior Installation
Wall-mounted Fujitsu Airstage outdoor inverter heat pump unit mounted to metal commercial siding with weatherproof disconnect and sealed line-set penetration.
Zoned Climate ControlIndoor Ductless Inverter Wall Head Installation
Ultra-quiet Daikin indoor high-wall head unit mounted flush and level, providing zoned whisper-quiet cooling and heating with high SEER efficiency.
What Our Customers Say
On time. Professional.
Positive: Responsiveness, Punctuality, Quality, Professionalism, Value. Services: Install AC, HVAC duct & vent repair, Repair HVAC.
The Nautical Mechanical Difference
Licensed & Insured
Oklahoma CIB License #00125096 with full liability and workers' comp coverage.
A+ BBB Rated
An A+ rating from the Better Business Bureau and a 5.0-star average from real customers.
Veteran Owned & Operated
Proudly veteran-owned — discipline, integrity, and accountability in every job.
7 Days a Week
Open 7:00 AM – 7:00 PM every day with 24/7 priority emergency dispatch available.
All Brands Serviced
We service and install all brands of air conditioners, heat pumps, mini-splits & generators.
Upfront, Fair Pricing
Transparent quotes and zero upselling — you'll always know the cost before we start.
Proudly Serving Central Oklahoma
Based in Newcastle, we serve Newcastle, OKC, Norman, Moore, Blanchard, Tuttle, Mustang, Yukon, Goldsby, Purcell, and neighboring communities across McClain, Cleveland, and Grady counties.
Frequently Asked Questions
Straight answers from the team that's done the work.
Get in Touch
Ready to schedule service or request a free estimate? Call us directly or send a message — we respond fast, 7 days a week.
Seasonal HVAC Tips, Delivered
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