Air Conditioning

AC Installation Process: What to Expect from Start to Finish

Bay Area Climate Control

Your Complete AC Installation Journey

Installing a new air conditioner is a significant home improvement project. Understanding what to expect helps you prepare and ensures a smooth installation. Here’s our detailed breakdown of the professional AC installation process from first contact to final testing.

Phase 1: Initial Consultation & Assessment

1. Schedule Your Free In-Home Estimate

What Happens:

  • Call (510) 391-5597 or submit online request
  • We schedule a convenient time for your home visit
  • No obligation consultation
  • Typically scheduled within 2-3 business days

What to Prepare:

  • Clear access to current HVAC system
  • List of comfort concerns or problem areas
  • Recent utility bills (optional but helpful)
  • Questions about features or financing

2. Comprehensive Home Assessment

Duration: 60-90 minutes

Our certified technician performs:

Interior Inspection:

  • Room-by-room measurement
  • Window sizes and orientation
  • Insulation quality assessment
  • Existing ductwork inspection
  • Current thermostat evaluation
  • Electrical panel review

Exterior Evaluation:

  • Home orientation and sun exposure
  • Outdoor unit location options
  • Electrical service capacity
  • Refrigerant line routing
  • Condensate drain placement
  • Property access considerations

3. Manual J Load Calculation

The Foundation of Proper Sizing

We calculate your exact cooling needs based on:

  • Square footage
  • Ceiling heights
  • Insulation R-values
  • Window types and sizes
  • Number of occupants
  • Heat-generating appliances
  • Local climate zone
  • Home orientation

Why This Matters: Proper sizing is critical for:

  • Comfort and even cooling
  • Energy efficiency
  • System longevity
  • Humidity control
  • Lower operating costs

4. System Recommendations & Options

What We Present:

Equipment Options:

  • Multiple efficiency levels (14-24 SEER)
  • Appropriate capacity (tonnage)
  • Feature comparisons
  • Warranty details
  • Brand options (primarily Carrier)

System Tiers:

  • Performance Series: Budget-friendly, reliable
  • Comfort Series: Enhanced features, better efficiency
  • Infinity Series: Premium comfort, maximum efficiency

Pricing Breakdown:

  • Equipment costs
  • Installation labor
  • Additional materials
  • Electrical work (if needed)
  • Permit fees
  • Warranty coverage
  • Total investment

5. Rebate & Financing Information

Available Incentives:

  • Federal tax credits (up to $600)
  • PG&E rebates
  • Peninsula Clean Energy programs
  • Silicon Valley Clean Energy offers
  • Manufacturer rebates

Financing Options:

  • 0% interest for 12 months
  • Extended payment plans
  • Pre-qualification available
  • Same-day approval possible

6. Detailed Written Proposal

You Receive:

  • Complete equipment specifications
  • Model numbers and efficiency ratings
  • Itemized cost breakdown
  • Warranty information
  • Installation timeline
  • Payment terms
  • Valid for 30 days

No Pressure:

  • Take time to review
  • Compare with other quotes
  • Ask follow-up questions
  • We never pressure same-day decisions

Phase 2: Pre-Installation Preparation

1. Contract & Scheduling

What Happens:

  • Sign installation agreement
  • Select installation date (typically 3-7 days out)
  • Receive confirmation details
  • Pre-installation checklist provided

2. Permitting Process

We Handle:

  • Submit permit applications
  • Pay permit fees
  • Coordinate inspections
  • Ensure code compliance

Timeline: Most Bay Area cities issue permits within 1-3 business days.

3. Equipment Ordering

Our Process:

  • Order exact equipment from quote
  • Verify delivery date
  • Inspect upon arrival
  • Store climate-controlled until install

Lead Times:

  • Standard units: Usually in stock
  • High-efficiency models: 3-5 days
  • Custom configurations: 1-2 weeks

4. Installation Team Assignment

Your Crew:

  • Lead installer (10+ years experience)
  • Installation assistant
  • Licensed electrician (if needed)
  • Project coordinator

You’ll Receive:

  • Crew names and photos
  • Estimated arrival time
  • Phone contact for day-of questions

5. Pre-Installation Communication

2 Days Before:

  • Confirmation call
  • Final schedule verification
  • Special instructions review

Day Before:

  • Reminder text/email
  • Arrival window confirmation
  • Last-minute questions answered

Phase 3: Installation Day

Morning of Installation

6:00 AM - Crew Departure

  • Final equipment check
  • Tool and material inventory
  • Route planning

8:00 AM - Arrival at Your Home

  • Introduction to crew
  • Site walk-through
  • Protection setup (floor runners, drop cloths)
  • Tool staging area setup

Step 1: Old System Removal (1-2 hours)

Indoor Unit:

  • Disconnect electrical power
  • Remove refrigerant (EPA certified)
  • Disconnect refrigerant lines
  • Remove condensate drain
  • Disconnect ductwork
  • Remove old furnace/air handler
  • Clean area for new unit

Outdoor Unit:

  • Disconnect electrical
  • Recover remaining refrigerant
  • Disconnect refrigerant lines
  • Remove condenser unit
  • Remove old pad/stand
  • Clean installation area

Disposal:

  • Responsible recycling of old equipment
  • Proper refrigerant recovery (EPA compliant)
  • Haul-away included in service

Step 2: Indoor Unit Installation (2-3 hours)

Positioning:

  • Place new air handler/furnace
  • Ensure proper clearances
  • Level and secure unit
  • Verify access for future service

Connections:

  • Reconnect ductwork (seal all joints)
  • Install new air filter
  • Connect condensate drain line
  • Route to proper drainage
  • Install overflow safety switch

Electrical:

  • Install new disconnect
  • Connect power supply
  • Verify voltage and amperage
  • Test safety controls

Step 3: Outdoor Unit Installation (2-3 hours)

Pad Installation:

  • Place new composite or concrete pad
  • Level precisely
  • Position for optimal airflow
  • Ensure proper drainage

Unit Placement:

  • Set condenser on pad
  • Level in all directions
  • Secure to pad
  • Verify clearances (2 feet all sides)

Refrigerant Lines:

  • Install new line set or reuse if suitable
  • Proper sizing for system
  • Insulated suction line
  • Secure routing and support
  • Protection from damage

Electrical Connection:

  • Install disconnect box
  • Connect power from panel
  • Install whip connection
  • Wire to unit per code

Step 4: System Connections (1-2 hours)

Refrigerant Lines:

  • Flare or braze connections
  • Nitrogen purge during brazing
  • Leak test all connections
  • Insulate suction line

Electrical Verification:

  • Double-check all connections
  • Verify proper voltage
  • Test safety controls
  • Confirm proper phasing

Condensate Drain:

  • Connect primary drain
  • Install secondary overflow
  • Test drainage
  • Verify proper slope

Step 5: Thermostat Installation (30-60 minutes)

Wiring:

  • Run new thermostat wire if needed
  • Connect to air handler
  • Label all wires
  • Verify communication

Mounting:

  • Select optimal location
  • 5 feet from floor
  • Interior wall preferred
  • Away from heat sources
  • Level installation

Programming:

  • Set up WiFi (if smart thermostat)
  • Configure system type
  • Set initial schedule
  • Demonstrate features to homeowner

Step 6: System Startup & Testing (1-2 hours)

Initial Startup:

  • Evacuate refrigerant lines (removes air and moisture)
  • Charge system to exact specifications
  • Verify pressures at multiple temperatures
  • Check superheat and subcooling

Airflow Testing:

  • Measure supply air temperature
  • Verify proper airflow (CFM)
  • Check return air temperature
  • Calculate temperature split (typically 18-22°F)

Performance Verification:

  • Amp draw on compressor
  • Fan motor operation
  • Capacitor readings
  • Safety control function

Final Checks:

  • All electrical connections tight
  • No refrigerant leaks
  • Proper drainage
  • Quiet operation
  • Correct thermostat function

Step 7: Final Inspection & Walkthrough (30 minutes)

With Homeowner:

  • Show all new equipment
  • Explain operation
  • Demonstrate thermostat
  • Review maintenance requirements
  • Answer all questions

Documentation:

  • Provide warranty information
  • Give maintenance schedule
  • Explain filter changes
  • Leave owner’s manuals
  • Provide our 24/7 contact info

Site Cleanup:

  • Remove all debris
  • Sweep/vacuum work areas
  • Remove floor protection
  • Haul away old equipment
  • Leave site cleaner than found

Typical Installation Timeline:

  • Simple replacement: 4-6 hours
  • Standard installation: 6-8 hours
  • Complex installation: 8-10 hours
  • Major ductwork: May require 2 days

Phase 4: Post-Installation

Municipal Inspection

Within 2-3 Days:

  • City inspector visits
  • Verifies code compliance
  • Checks permit requirements
  • Signs off installation

Our Responsibility:

  • Schedule inspection
  • Be present for inspection
  • Address any concerns
  • Obtain final approval

Follow-Up Contact

24 Hours After Installation:

  • Check-in call from our office
  • Address any questions
  • Verify system operating correctly
  • Schedule follow-up if needed

30 Days After Installation:

  • Satisfaction survey
  • Performance check offer
  • Reminder about first maintenance
  • Review of warranty registration

Warranty Registration

We Complete:

  • Submit registration to manufacturer
  • Verify coverage start date
  • Provide you with confirmation
  • Explain warranty terms

Your Coverage:

  • 10-year parts warranty (Carrier)
  • 1-year labor warranty (us)
  • Extended warranty options available

What Makes Our Installation Process Different

1. Precise Sizing Every Time

  • Never rely on “rule of thumb”
  • Complete Manual J calculation
  • Account for all variables
  • Right-sized system guaranteed

2. Quality Materials & Methods

  • New refrigerant lines when needed
  • Proper brazing with nitrogen purge
  • Sealed duct connections
  • Quality mounting pads
  • Professional-grade materials

3. Experienced Installation Teams

  • 10+ years average experience
  • Carrier Factory Authorized training
  • NATE certified technicians
  • Background-checked employees
  • Respectful of your home

4. Code Compliance & Safety

  • All permits obtained
  • Work to current codes
  • Municipal inspections passed
  • Safety first approach
  • No shortcuts ever

5. Transparent Communication

  • Clear timeline provided
  • Day-of updates
  • Questions welcomed
  • No surprise charges
  • What we quote is what you pay

Common Installation Challenges & How We Handle Them

Challenge: Tight Attic Access

Solution:

  • Smaller equipment sections
  • Professional rigging
  • Extended labor time built-in
  • No extra charges for difficulty

Challenge: Old/Damaged Ductwork

Discovered During Installation:

  • Stop and consult homeowner
  • Provide repair options
  • Detailed pricing before proceeding
  • Only proceed with approval

Challenge: Electrical Panel Upgrade Needed

Our Process:

  • Licensed electrician available
  • Same-day panel upgrade possible
  • Detailed cost provided
  • Municipal inspection coordinated

Challenge: Weather Delays

How We Handle:

  • Reschedule if severe weather
  • Cover exposed openings
  • Complete indoor work if possible
  • Communication every step

Your Preparation Checklist

Before Installation Day

Clear Access:

  • ☐ Path to indoor unit location
  • ☐ Outdoor unit installation area
  • ☐ Attic access if needed
  • ☐ Electrical panel access

Protect Valuables:

  • ☐ Move breakables from work areas
  • ☐ Remove wall hangings near work zones
  • ☐ Protect flooring in traffic areas

Pet Planning:

  • ☐ Secure pets during installation
  • ☐ Plan for 6-8 hours of activity
  • ☐ Inform crew of any pet concerns

Day-of Details:

  • ☐ Someone 18+ home all day
  • ☐ Bathroom access for crew
  • ☐ Parking available for work vehicles
  • ☐ Payment method ready (if final payment due)

What to Expect After Installation

First 24 Hours

  • System may run frequently (normal)
  • Learning your home’s characteristics
  • Indoor humidity may fluctuate
  • Slight new equipment smell (normal)

First Week

  • System run times stabilize
  • Temperature consistency improves
  • Energy usage patterns emerge
  • Any questions? Call us immediately

First Month

  • Change air filter if disposable
  • Check for any unusual sounds
  • Verify proper drainage
  • Schedule first maintenance visit

Frequently Asked Questions

Q: How long does installation take? Most installations complete in one day (6-8 hours). Complex installations with extensive ductwork may require two days.

Q: Do I need to be home the entire time? Yes, someone 18+ should be present for the duration of installation.

Q: Will you protect my floors and furniture? Absolutely. We use floor runners and drop cloths throughout the installation area.

Q: What if you discover additional problems? We stop, explain the issue, provide pricing, and only proceed with your approval. No surprise charges.

Q: Can I use the AC immediately after installation? Yes! We fully test and ensure proper operation before we leave.

Q: What about my old thermostat? We’ll install a new programmable or smart thermostat. Your old one is removed and recycled.

Q: When should I schedule my first maintenance? We recommend scheduling your first maintenance 6-12 months after installation.

Q: What if something goes wrong after you leave? Call us immediately at (510) 391-5597. We offer 24/7 emergency support and will return to address any installation-related issues at no charge.

Ready to Start Your AC Installation?

Contact Bay Area Climate Control:

What Happens Next:

  1. Schedule your free in-home assessment
  2. Receive detailed proposal with options
  3. Choose your installation date
  4. Relax while we handle everything

Serving the Entire Bay Area: Alameda • Contra Costa • San Francisco • San Mateo • Santa Clara Counties

Your comfort is our commitment.

Need Expert HVAC Service?

Bay Area Climate Control provides professional installation, repair, and maintenance services throughout the East Bay and greater San Francisco Bay Area.

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