10 AC Installation Contractors in Pasadena, MD
Top-Rated AC Installation Contractors in Pasadena
Cornett Heating & Cooling
“All reviewers awarded 5-star ratings, with multiple clients specifically praising same-day emergency response and technicians named by first name. Common…”
MFZ Air conditioning, Plumbing & Heating
“Five-star ratings dominate the 84 reviews, with 4 reviewers specifically mentioning same-day or emergency weekend service. Transparency in estimating appears…”
All AC Installation Contractors (10 total)
Universal Air Conditioning and Heating, Inc.
“Across 14 reviews averaging 4.4 stars, customers frequently cite rapid same-day response as a differentiator,…”
Skor Pro Heating And Air INC
“All seven reviews award five stars, with multiple clients specifically mentioning honesty in diagnostics and…”
J.S. Corcoran Heating & Air Conditioning
“Six reviewers awarded perfect 5-star ratings, with multiple clients praising honesty in pricing, same-day…”
Alcap Inc.
“Three verified customer reviews collectively award five-star ratings, with each reviewer highlighting the…”
KLM Mechanical
“All three clients awarded perfect five-star ratings, with consistent praise for punctual arrivals, thorough…”
Barstow and Sons
“Two of three reviews award ratings, praising professional conduct and craftsmanship. The lone one-star review…”
AC Installation Costs in Pasadena
New central AC installation costs in Pasadena, by system type and brand.
| Service | Low | Average | High |
|---|---|---|---|
Window unit | $150 | $350 | $700 |
Ductless mini-split (single zone) | $2,000 | $4,500 | $8,000 |
Central AC replacement (existing ducts) | $3,500 | $6,500 | $12,000 |
Central AC new install (with ductwork) | $7,000 | $12,000 | $20,000 |
Carrier (residential) | $3,800 | $6,200 | $10,500 |
Trane (residential) | $5,000 | $8,800 | $13,600 |
Lennox (residential) | $3,500 | $6,500 | $12,000 |
Rheem (residential) | $3,200 | $5,500 | $9,000 |
Prices reflect humid subtropical metro averages compiled from published industry cost guides, contractor surveys, and regional labor data. Last updated: April 2026.
AC Installation in Pasadena, MD: What to Expect
Pasadena sits along the Chesapeake Bay, where summer heat pushes toward 88 degrees with the kind of humidity that makes indoor air feel heavier than the temperature suggests. Winters drop near freezing, which means a new cooling system needs to handle real latent heat loads while being ready to pair with reliable heating come November. Around ten licensed contractors serve this area, earning an average rating of 4.4 across more than a thousand reviews, which tells you there's solid expertise locally but also real variation in craftsmanship and responsiveness. Homeowners searching for AC Installation in Pasadena quickly discover that finding someone who understands coastal climate demands matters more than picking a name from a directory.
The cost picture starts with window units ranging from $150 to $700, though most serious replacements involve central systems. For existing ductwork, a full central AC replacement runs $3500 to $12000, while a ductless mini-split for a single zone hits $2000 to $8000. These gaps reflect system size, efficiency ratings, and the labor involved in retrofitting older homes that may not have been built with modern cooling in mind. Every contractor working in Maryland needs a Master HVACR License from the state labor board, which adds a layer of accountability but also contributes to what shows up on the final invoice.
What stands out in reviews is how fast some outfits respond. Cornett Heating & Cooling carries all five-star ratings with clients noting same-day arrivals during emergencies, and multiple mentions of technicians by first name show up in feedback. MFZ Air conditioning, Plumbing & Heating draws frequent praise for transparency around estimates along with weekend emergency availability. Above All Heating & Cooling also earns consistent five-star marks, with fourteen separate reviewers specifically calling out same-day or urgent-response capabilities. Across these three companies, the pattern is clear: homeowners value contractors who show up quickly, explain costs plainly, and get the job done right the first time.