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Claim This BusinessNS HEATING AND COOLING has served the Northern Virginia region since 2003, building a reputation across Springfield, Alexandria, and the broader DMV area as a family-owned contractor that answers calls when others won't. With 60 reviews averaging 4.7 stars, the company handles both residential and commercial heating and cooling needs, from routine maintenance to full system replacements. Their service hours run Monday through Saturday until 6 PM, with Sunday availability until 3 PM, a schedule that accommodates emergencies for homeowners who find their AC failing during a summer heat wave or furnace quitting on a cold evening.
What distinguishes NS HEATING AND COOLING from larger competitors is their transparent pricing and commitment to the original quote, even when material costs shift. The company offers financing options for unexpected repairs, and their craftsmanship guarantee promises corrections if installations don't meet specifications. Their technicians work across the full HVAC spectrum: furnace and boiler service, heat pump installation and repair, air conditioning diagnostics, ductless mini-split systems, and indoor air quality solutions including humidification. Smart thermostat installations, particularly Nest systems, appear frequently in customer reviews, suggesting expertise in modern climate control integration.
Customer reviews reveal a pattern of named technicians going beyond standard service calls. When Kristin C.'s AC failed during a summer heat wave, Slavko arrived the next day after an 8 PM initial call. Mary H. received Sunday evening assistance from Pedro, who worked until 9 PM to restore her cooling. Omar, the company's estimator, has driven to Baltimore to inspect systems personally and provides multiple options without pressure. Fran ois F. saved over $10,000 by choosing NS for his AC replacement, quoted at under $6,000 versus $16,000 from competitors, while receiving what he described as fast, professional, and thorough service.
All 60 reviewers rate NS HEATING AND COOLING at 4 or 5 stars, with multiple customers specifically naming technicians Slavko, Sammy, Omar, Pedro, and Oscar. Five reviewers explicitly mention competitive or below-market pricing, while seven describe emergency or same-day response capabilities. The sole constructive feedback addresses scheduling communication, though the company followed up with resolution.
| Sunday | 8 AM–3 PM |
| Monday | 8 AM–6 PM |
| Tuesday | 8 AM–6 PM |
| Wednesday | 8 AM–6 PM |
| ThursdayToday | 8 AM–6 PM |
| Friday | 8 AM–6 PM |
| Saturday | 8 AM–3 PM |
Furnace repair, replacement, and installation plus boiler services to keep your home warm during Northern Virginia winters.
Full heat pump lifecycle services including new installation, maintenance, and repairs for efficient heating and cooling.
AC diagnostics, replacement, new installation, tune-ups, and maintenance to combat Virginia's humid summers.
Installation of ductless systems for homes without existing ductwork or zoned cooling needs.
Humidification systems and air quality solutions to improve breathing comfort and reduce allergens.
Nest and other smart thermostat installations with system integration and user guidance.
Water heater installation and repair to ensure hot water availability year-round.