Next Air Heating & Cooling

Amana Commercial Rooftop Units: Expert Calgary Service & Maintenance

Amana is a trusted brand for reliable commercial HVAC equipment. If your business relies on an Amana rooftop unit, you need a technician who understands the system inside and out.
At Next Air, we’re certified to service and repair Amana commercial rooftop units across Calgary. This guide covers everything you need to know about keeping your Amana RTU running efficiently.

FAST FACTS: Amana Commercial RTUs

  • Most Popular Size: 3-5 ton units for medium commercial buildings
  • Expected Lifespan: 15-20 years with proper maintenance
  • Average Efficiency (SEER): 15-17 (solid mid-range)
  • Typical Installed Cost: $8,000-$15,000 for medium unit
  • Annual Maintenance Cost: $300-$600 per service (4 times/year = $1,200-$2,400)
  • Common Issues: Refrigerant leaks (30%), dirty coils (25%), electrical (25%), other (20%)
  • Next Air Response: 1-2 hours for emergency repair

Why Choose Amana for Commercial RTUs?

Strengths of Amana Equipment

  1. Reliability
  • Proven track record in commercial HVAC
  • Build quality for harsh outdoor conditions
  • Parts availability good (most HVAC suppliers stock Amana)
  1. Cost-Effective
  • Lower price point than Carrier, close to Lennox
  • Good value for the efficiency level
  • ROI reasonable for most businesses
  1. Performance in Calgary Climate
  • Designed for cold weather operation
  • Compressor can start reliably in -30°C
  • Built for extremes (wind, temperature swings)
  1. Easy Serviceability
  • Technician-friendly design
  • Standard components (easier to diagnose)
  • Good documentation/schematics available

Common Amana RTU Models

  • Amana PGH Series – Popular, reliable mid-range
  • Amana PTH Series – High-efficiency rooftop heat pump
  • Amana PTC Series – Professional cooling units

Maintenance Schedule for Amana RTUs

Monthly Tasks (DIY)

 Visual Inspection (10 minutes)
  • Look at outdoor unit from ground level
  • Check for obvious debris (leaves, dirt)
  • Listen for unusual noises
  • Check for water pooling beneath unit
Condenser Area Cleaning (15 minutes)
  • Remove leaves/debris around unit
  • Use low-pressure hose to rinse dirt from condenser fins
  • Keep area clear (18 inches minimum around all sides)

Quarterly Professional Service

What We Check:
  • Refrigerant pressure and charge
  • Electrical connections and voltage
  • Filter replacement
  • Coil condition (visual)
  • System performance test
  • Ductwork inspection
Cost: $300-$600 per service Frequency: 4 times/year (every 3 months) Best Timing: March, June, September, December

Annual Deep Service

What We Do:
  • Professional coil cleaning (chemical + pressure wash)
  • Full ductwork inspection
  • Thermostat calibration
  • Safety inspection (electrical, gas pressure)
  • Detailed performance report with photos
Cost: $600-$900 Best Timing: September/October (before heating season)
Total Annual Maintenance Cost: $1,800-$2,400 Benefit: Prevents 80% of potential breakdowns, extends system life 5-8 years

Common Amana RTU Issues & Solutions

Issue #1: Not Cooling Efficiently

Symptoms:
  • System running but not reaching setpoint temperature
  • Building stays 5-10°F warmer than setpoint
Most Likely Causes:
  1. Dirty condenser coil (40%)
  2. Low refrigerant charge (30%)
  3. Clogged filter (20%)
  4. Thermostat miscalibration (10%)
DIY First Steps:
  1. Check filter (is it gray/dirty?)
  2. Look at outdoor unit (can you see dirt on coil?)
  3. Check thermostat setting (is it in COOL mode?)
Professional Fix: $200-$800 (depends on cause)

Issue #2: Refrigerant Leaks

Symptoms:
  • System runs but doesn’t cool well
  • Hissing sound from outdoor unit
  • Oil staining around connections
  • Frost on outdoor unit (in summer = bad sign)
Why It Happens:
  • Connection corrosion (common in high-elevation Calgary)
  • Wear on seals over time
  • Installation error (rare but happens)
What to Do:
  • Call us immediately (don’t delay)
  • We find leak location, seal it, recharge refrigerant
  • Cost: $500-$2,000 depending on leak size/location
Prevention:

Issue #3: Electrical Problems

Symptoms:
  • Unit won’t turn on (no power)
  • Breaker tripping repeatedly
  • System cycles on/off rapidly
  • Burnt smell from unit
What Could Be Wrong:
  • Bad contactor (relay)
  • Compressor electrical failure
  • Capacitor failure
  • Wiring issue
What to Do:
  1. Check breaker (is it OFF or middle position?)
  2. If breaker is OFF: Flip to ON, wait 5 minutes, try again
  3. If breaker trips again: STOP. Call us
  4. If unit smells burnt: STOP. Evacuate. Call emergency
Cost to Fix: $200-$1,000 (depends on component)

Issue #4: Compressor Not Running

Symptoms:
  • Outdoor unit fan running but compressor silent
  • System blowing room temperature air
What Could Be Wrong:
  • Low refrigerant (safety lockout)
  • Compressor electrical issue
  • Compressor mechanically failed
  • Capacitor failure (common, inexpensive fix)
What to Do: Call us for diagnosis ($150 diagnostic fee) Possible Costs:
  • Capacitor replacement: $200-$400
  • Compressor replacement: $2,500-$5,000

Energy Efficiency Tips for Amana RTUs

Quick Wins (This Week)

  1. Smart Thermostat Setpoints
  • Winter: 68-70°F during business hours, 62-65°F after hours
  • Summer: 76-78°F during business hours, 82°F after hours
  • Savings: 3-5% per degree adjustment = $100-$300/month
  1. Filter Changes
  • Change filters monthly (or when gray/dirty)
  • Clogged filter = 30-40% harder system work
  • Cost: $15-$40 per filter
  • Savings: $100-$200/month in electricity
  1. Condenser Cleaning
  • DIY monthly (blow off debris)
  • Professional annual deep clean ($200-$400)
  • Clean coils = 10-20% better efficiency

Bigger Upgrades (3-6 months)

  1. Upgrade to High-Efficiency Amana RTU
  • Current: SEER 15-17
  • High-efficiency: SEER 18-20
  • Cost: Equipment upgrade $15,000-$25,000
  • Savings: $2,000-$3,000/year in energy
  • Payback: 5-12 years
  • Plus federal rebates available: $3,000-$5,000

When to Replace vs. Repair Amana RTUs

Keep Your Current Unit If:

  • System is less than 12 years old
  • Last repair cost less than $2,000
  • Energy bills not unusually high
  • Repairs are infrequent (less than 1/year)

Consider Replacement If:

  • System is 15+ years old
  • Last repair cost more than $3,000
  • Energy bills significantly higher than similar buildings
  • Repairs needed more than once per year
  • Compressor has failed (repair cost = $2,500-$5,000)

Amana RTU vs. Competitor Comparison

Feature Amana Lennox Carrier Daikin
SEER Rating 15-17 15-18.5 18-19 18-19.5
Cold Weather Good Excellent Excellent Good
Parts Cost $ $ $$ $$
Service Availability Good Excellent Excellent Growing
Installed Cost $$ $$-$$$ $$$ $$-$$$
Best For Value-conscious Balance Premium quality Efficiency-focused

Get Professional Amana RTU Service

NEXT AIR AMANA RTU SERVICES:

✓ Emergency repair (24/7) Preventative maintenance plans ✓ Professional coil cleaning ✓ Efficiency assessment ✓ System replacement consultation
CALL NOW: (587) 329-8603 CONTACT US  EMERGENCY? 24/7 Available We serve Calgary and all surrounding areas.

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